Nature/science
National Geographic
Since 1888, we've traveled the Earth, sharing its amazing stories with new generations. Official Twitter account of National Geographic.1,868,658 followers | Follow
CDC Emergency
CDC Emergency Preparedness and Response: increasing the nation's ability to prepare for and respond to public health emergencies.1,344,506 followers | Follow
AstrobiologyNAI
NASA Astrobiology Institute: we study life in the Universe!916,122 followers | Follow
Asteroid Watch
JPL's Near Earth Object Office coordinates NASA's efforts to detect, track & characterize potentially hazardous asteroids & comets that could approach Earth.872,044 followers | Follow
Buzz Aldrin
Astronaut, Apollo XI and Gemini 12; Doctorate from MIT in astronautics, Korean War veteran (fighter pilot of 66 missions). photo by Don Camp746,247 followers | Follow
WIRED Science
Science, space, energy and robot sharks with lasers. Hosted by the Wired Science team: @betsymason, @9brandon, @adamspacemann, @davemosher & @danielaphd.684,271 followers | Follow
Smithsonian
We're not a museum. We're 19 of them! Plus 9 research centers & the National Zoo. Follow your favorites668,224 followers | Follow
New Scientist
New Scientist is the world's leading science and technology weekly. http://www.facebook.com/newscientist556,309 followers | Follow
Science Channel
Thought-provoking updates, insider news and more from Science...show your #nerdtweet pride!501,839 followers | Follow
Neil deGrasse Tyson
Astrophysicist, American Museum of Natural History. Author: Space Chronicle, The Pluto Files,. Host: StarTalk Radio http://StarTalkRadio.net485,068 followers | Follow
Astro Pic Of The Day
Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.406,950 followers | Follow
Scientific American
Scientific American Magazine and online, over 165 years of science news364,677 followers | Follow
Nature News&Comment
The latest science news and opinion from @NatureMagazine. Winner Best Twitter, Online Media Awards 2011, and Shorty Award for science, 2012.358,655 followers | Follow
NYTimes Science
Science, Environment, Space and Cosmos News From NYTimes.com/Science315,576 followers | Follow
Reuters Science News
From newly charted astronomical anomalies at the far reaches of the universe to the rise of nanotechnology, nobody covers science like Reuters.com.314,263 followers | Follow
Science News
Covering important and emerging research in all fields of science. Publisher @society4science. Moderator @pwthornton. See also @sciencenewskids.301,711 followers | Follow
Guardian Science
News, comment, all that stuff from the Guardian's science, health and environment team251,644 followers | Follow
Darwin Evolution
A resource in evolutionary biology and all related fields for Year of Darwin 2009 and beyond, for scientists, enthusiasts and anyone else who is interested244,931 followers | Follow
Jodrell Bank
Home of the world's third-largest steerable radio telescope, and the MERLIN National Facility. Part of the University of Manchester.227,251 followers | Follow
National Geographic
Follow us for the latest on what's happening at the National Geographic Channel in the U.S. Questions and comments welcome!217,460 followers | Follow
The SETI Institute
We believe we are conducting the most profound search in human history — to know our beginnings and our place among the stars.217,282 followers | Follow
Earthquake & Tsunami
Earthquake & Tsunami Warning | not affiliated with USGS215,887 followers | Follow
NASA Kepler
The Kepler Mission is designed to survey our region of the Milky Way galaxy to discover Earth-size planets in the habitable zone.214,338 followers | Follow
Science Friday
Sci/tech radio program on NPR; video, Twitter (@scifri, @sci_arts) and Facebook/scifri. Got ideas? Write and tweet us @scifri all week and during the show.212,048 followers | Follow
NASAHurricane
NASA's Hurricane Web Page is one of the ONLY resources that provides data on ALL tropical cyclones around the world in one place!211,307 followers | Follow
ben goldacre
Nerd cheerleader, Bad Science person, stats geek, research fellow in epidemiology, procrastinator. TED here: http://bit.ly/qUcrmf And email: ben@badscience.net194,002 followers | Follow
CassiniSaturn
Cruising around Saturn, its moons and the magnificent rings193,577 followers | Follow
TIME Healthland
The latest in health, wellness and family from @TIME. Hosted by @acsifferlin180,472 followers | Follow
Michael Pollan
Author of Food Rules; In Defense of Food; The Omnivore’s Dilemma; The Botany of Desire; A Place of My Own and Second Nature.165,329 followers | Follow
NaturalHistoryMuseum
The Natural History Museum in London is a treasure in every way. Join us for updates on our science, collections and all our activities.164,171 followers | Follow
Digg Science
Top science stories as they roll across the homepage of Digg.com161,642 followers | Follow
EcoInteractive
Eco Preservation Society: Inspiring Action, Empowering People,Connecting Communities & Transforming the Planet through Conservation, Reforestation & Education160,194 followers | Follow
World Wildlife Fund
WWF works to build a future in which human needs are met in harmony with nature. Follow World Wildlife Fund and share your love of all things wild.156,100 followers | Follow
Spirit and Oppy
Roaming the Red Planet on six wheels since Jan 2004. The official mission Twitter of the Spirit and Opportunity rovers.152,551 followers | Follow
ChemistryWorld
Chemistry magazine bringing you the latest chemistry news and research every day. Published by the RSC.144,777 followers | Follow
PhysOrg Science News
Science news, Technology news. Physics, Space, Biology, Chemistry, Engineering, Math, Electronics, Nanotechnology, Materials, Computers, Health, Earth Science.138,964 followers | Follow
NASA Astronauts
Hear from all NASA's astronauts on Twitter, plus updates on astronaut activities here.135,496 followers | Follow
Leakey Foundation
To increase scientific knowledge, education and public understanding of human origins evolution, behavior and survival.131,158 followers | Follow
JaneGoodallInstitute
Find us on Facebook: www.facebook.com/theJGI and follow our youth program @RootsAndShoots.120,406 followers | Follow
Nature Conservancy
The Nature Conservancy welcomes you to its official Twitter site! We're a leading conservation organization working for people and nature.118,516 followers | Follow
carlzimmer
Science writer: champion of underappreciated life forms. New book: Science Ink: Tattoos of the Science Obsessed http://bit.ly/scienceinkbook104,180 followers | Follow
Curiosity Rover
NASA's next mission to Mars. I'm currently en route to the Red Planet. Arrival anticipated Aug. 5, 2012.100,899 followers | Follow
National Wildlife
National Wildlife Federation works to inspire Americans to protect wildlife for our children's future. Staff updating: @starfocus @rarewildlifeguy @ksuzj88,580 followers | Follow
Hans Rosling
Professor Global Health, Karolinska Institutet. Edutainer & co-founder of Gapminder Foundation79,265 followers | Follow
Discovery_News
DiscoveryNews.com, a Discovery Channel website that covers the latest science news on tech, gadgets, animals, space, adventure, autos, history and earth.74,311 followers | Follow
googleearth
69,974 followers | Follow
Johnson Space Center
NASA's JSC is the lead center for the International Space Station and the Orion spacecraft, and the home of the Mission Control Center and NASA astronaut corps.64,978 followers | Follow
Popular Science
Popular Science's Twitter feed, the source for science and technology news from the future. Includes daily blog posts, every article from the magazine and more61,278 followers | Follow
Nature Chemistry
A journal dedicated to publishing high-quality papers describing significant research in all areas of chemistry.55,465 followers | Follow
Science Magazine
The world's leading outlet for scientific news, commentary, and cutting-edge research.53,384 followers | Follow
NASA Goddard
Tweeting the best in NASA astronomy, Earth sciences and robotic exploration for the Goddard Space Flight Center.47,019 followers | Follow
NOAA's Ocean Service
NOAA's National Ocean Service is the nation's premier federal science agency for oceans and coasts.43,779 followers | Follow
LiveScience
Science news covering top stories of the day in health, environment, animals, technology and space42,246 followers | Follow
Geology News
The latest and greatest geology news from around the world. Questions, comments? Tweet to @davely.40,658 followers | Follow
NASAEyesOnTheEarth
Being rocket scientists isn't enough...we're climate scientists too! News from NASA on all things climate.37,841 followers | Follow
Earth News
Wildlife, Nature, Science & Environment news from around the world. 'No 1 environmental news Twitter' - The Guardian + BBC news Live Updates.36,080 followers | Follow
National Geographic
The daily on goings at the National Geographic Channel, information about up-coming programmes, news and what we do behind the scenes32,612 followers | Follow
Smithsonian Magazine
Official Twitter feed for Smithsonian magazine and Smithsonian.com. Updates on history, science, arts and culture. @ replies may be reprinted in the magazine.31,330 followers | Follow
sciencedaily
Visit ScienceDaily to read breaking news about the latest discoveries in science, health, the environment, and technology.31,143 followers | Follow
Institute of Physics
Official twitter account for the Institute of Physics (IOP). Lena from the press office tweets physics news and research, IOP activities and events.28,997 followers | Follow
Discovery Space
The space topic hub for @Discovery_News. All things astronomy, physics, cosmology, spaceflight, NASA, exoplanets & more! (Administered by @astroengine.)28,027 followers | Follow
National Zoo
The Smithsonian's National Zoo demonstrates leadership in animal care, science, education, and sustainability.27,683 followers | Follow
NASA Webb Telescope
NASA's James Webb Space Telescope will give us an amazing look at the universe! The project is working to a 2018 launch date.26,591 followers | Follow
LCROSS_NASA
NASA mission to explore the Moon to look for water ice at the poles! And I found it! My mission (and my tweets) ended Oct 9, 2009. But, I'm forever on the moon!25,224 followers | Follow
Nature Medicine
Nature Medicine is a biomedical research journal devoted to publishing the latest advances in biomedical research for scientists and physicians.24,891 followers | Follow
Jean Léveillé
Mother Earth is going bad, methane in the atmosphere from melting parmafrost, this is very bad. This is why global warming is accelerating - Hyperwarming24,412 followers | Follow
NASA Dryden
The Dryden Flight Research Center is NASA's primary center for atmospheric flight research and operations.24,037 followers | Follow
BBC Nature
Official BBC Nature Twitter feed, bringing you global wildlife news, interesting nature facts & amazing BBC natural history video23,885 followers | Follow
The Royal Society
The Royal Society is a Fellowship of the world's most eminent scientists and is the oldest scientific academy in continuous existence.23,723 followers | Follow
The Economist
Official Economist account for news and analysis on Science and Technology issues23,640 followers | Follow
Nobelprize_org
The official web site of the Nobel Prize. Send us your tweets about the Nobel Prize or Nobel Laureates to @Nobelprize_org or use #NobelPrize.23,030 followers | Follow
Times Science
The inside track on science, health and the environment from The Times (of London), and the journalists who write it22,603 followers | Follow
Earth Observatory
NASA images, stories, and discoveries about climate and the environment.22,454 followers | Follow
Bioscience News
Attempting to relay the top bioscience news. Shoot a message if you have suggestions. Retweet okay.21,376 followers | Follow
NASA Desert RATS
The NASA Desert RATS consists of multiple groups from NASA centers, universities, and other organizations. Goal: human-robotic systems for space exploration!20,278 followers | Follow
The Climate Group
An independent, not-for-profit org working with government + business leaders to drive a #CleanRevolution. Use # to show the #CleanRevolution in action for RTs.20,129 followers | Follow
IEEE Spectrum
The latest technology news and analysis from world's leading engineering magazine19,937 followers | Follow
NOAA Ocean Explorer
NOAA Ocean Explorer is an educational Internet offering for all who wish to learn about, discover, and virtually explore the ocean realm.19,815 followers | Follow
NewHorizons2015
The First Space Mission to Explore Planet Pluto and the Kuiper Belt19,257 followers | Follow
Monterey Aquarium
The Monterey Bay Aquarium is your window to the wonders of the ocean. It’s home to sea otters, penguins, sharks, jellies, and thousands of other marine animals.19,055 followers | Follow
Chandra Observatory
Chandra's ongoing mission is to study the X-ray Universe, including black holes, new stars, and clusters of galaxies. Operated for NASA by SAO18,976 followers | Follow
PBS Nature
Wednesdays at 8PM on PBS (check local listings). Tweets by the NATURE team.18,613 followers | Follow
Science Mag News
The news staff at Science Magazine bring you the hottest science news and stories, served up every weekday.18,382 followers | Follow
SciAm MIND
Scientific American MIND magazine. Behavior. Brain Science. Insights.18,040 followers | Follow
Nat Geo PR
Official Twitter feed of the National Geographic Society public relations team17,828 followers | Follow
EPS Climate
Eco Preservation Society: No Politics, No Propaganda, No Bull:17,424 followers | Follow
David Bradley
Science news, views, interviews and tech talk from Science Writer David Bradley based in Cambridge, England, UK. First solo book coming soon - Deceived Wisdom.17,184 followers | Follow
NYTimes Environment
Breaking news and environmental news on the EPA, oceans and marine life, weather, wetlands, pollution, wildlife, global warming, hybrid cars, energy and nature.16,825 followers | Follow
AHA Science
American Heart Association/American Stroke Association Science News16,794 followers | Follow
Storm Cunningham
CEO: ReCitizen (crowd tech for cities) -- Speaker -- Author: The Restoration Economy (2002), reWealth (2008), ReCivilizing (2013) http://StormCunningham.com16,600 followers | Follow
Argonne National Lab
As a @ENERGY lab, Argonne delivers science and tech solutions to energy, environment and security challenges. Tweeting for Argonne is web-editor @SoosheBot.15,268 followers | Follow
Space Center Fan
Dedicated fan of Kennedy Space Center, tweeting launch dates, tours, tickets & events in Florida, NASA, Space & more! Follows back15,011 followers | Follow
Bio Solar Energy
A breakthrough technology developed to produce bio-based materials from renewable plant sources that will reduce the cost per watt of solar cells.14,916 followers | Follow
Astronomy Magazine
Astronomy informs, entertains, and inspires people who are interested in the science and hobby of astronomy.14,459 followers | Follow
ESA Planck
A European Space Agency (ESA) spacecraft to understand the origin and evolution of our Universe14,165 followers | Follow
Bora Zivkovic
Blogs Editor at Scientific American. Visiting Scholar at NYU school of journalism. Organizer of ScienceOnline. My tweets are my own.13,831 followers | Follow
Science So What
So let’s look at science: what is it doing for us already? How is it going to drive us to a better future?12,576 followers | Follow
Sky and Telescope
The Essential Magazine of Astronomy. Sky and Telescope is the world's leading compendium of information about the science and hobby of astronomy.12,562 followers | Follow
Andrew Maynard
Scientist with an unhealthy interest in the dark side - policy, communication, engagement, and all that! In “spare time” direct the U. Mich Risk Science Center12,512 followers | Follow
Fermilab Today
Fermilab's mission is to advance the understanding of the fundamental nature of matter and energy.12,394 followers | Follow
ScriptPhD.com
Scientist. Creative Writer. Researcher. Consultant. Technology Expert. Script Doctor. Jovana Grbic is a science writer for movies + TV. http://fb.me/ScriptPhD12,191 followers | Follow
Rodale Institute
Organic pioneers since 1947. Through organic leadership we improve the health and well-being of people and the planet.11,997 followers | Follow
Armed with Science
U.S. Defense Department's science and technology blog. RTs are not endorsements. You've been SCIENCED!11,954 followers | Follow
L.A. Times Science
Science and medical news from @latimes. See latimes.com/twitter for more news streams.11,805 followers | Follow
CalAcademyofSciences
Explore an aquarium, planetarium, and natural history museum all under one living roof.11,276 followers | Follow
WI Astronomy
A Wisconsin based Space and Astronomy News public outreach website.11,158 followers | Follow
NOAAOceanToday
NOAA Ocean Today is a NOAA/Smithsonian partnership - Follow us for the latest ocean news10,796 followers | Follow
PeterDiamandis
X PRIZE, Singularity Univ, Abundance, Rocket Racing, Space Adventures... passionate about space, innovation & creating a world of Abundance10,644 followers | Follow
ESA Herschel
A European Space Agency (ESA) mission. Both the most sensitive far-infrared telescope ever put into space &, at 3.5m, the largest space telescope of any kind.10,529 followers | Follow
ABC Science
Science, health and related goodies from the Australian Broadcasting Corporation. Radio, TV and online10,298 followers | Follow
Biological Science
The latest updates & news from the books, journals & online resources available from the Wiley-Blackwell Biological Sciences subject.10,295 followers | Follow
Am Geophysical Union
Official account of the American Geophysical Union, the world's largest organization of Earth and space scientists.10,170 followers | Follow
The Naked Scientists
Based at Cambridge University, we make science radio programmes for the BBC and other broadcasters and host a website and podcast.10,074 followers | Follow
Jonathan Eisen
Evolutionary biologist, microbiology & genomics researcher, open science advocate, recovering Harvard/Stanford alum, prankster, cyclist, & professor at UC Davis10,048 followers | Follow
Earth Hour Canada
Updates on Earth Hour from WWF-Canada. Tweets by @sarafalconer and @katieedmonds110,036 followers | Follow
Scripps Oceanography
Scripps Institution of Oceanography is one of the oldest, largest, and most important centers for marine science research, graduate training, and public service9,902 followers | Follow
Spacevidcast
Making Space Commonplace! New media company looking to the stars.9,894 followers | Follow
BerkeleyLab
Lawrence Berkeley National Lab is an @ENERGY national lab. Tweets by Berkeley Lab's Public Affairs Department.9,242 followers | Follow
CBD-Cntr for Bio Div
The Center works through science, law, and creative media to secure a future for all species, great or small, hovering on the brink of extinction.9,054 followers | Follow
Brian Malow
Earth's Premier Science Comedian. Available for off-world appearances if transportation is provided. Makes science videos for Time Magazine.8,937 followers | Follow
COSI Science Center
Columbus, Ohio's dynamic hands-on science center, ranked #1 by Parents Magazine!8,673 followers | Follow
Brian Krueger, PhD
Science news site and Blog Network masquerading as a social network for the sciences. Enjoy the news and our science rants.8,462 followers | Follow
Vaughan Bell
8,458 followers | Follow
Jerry Coyne
8,268 followers | Follow
Space Weather
We keep tabs on the space environment around the Earth as it is disturbed by the variable output of particles & radiation from the Sun. A service of @SpaceRef.8,102 followers | Follow
Roger Highfield
Museum exec, author and Daily Telegraph columnist. Ex New Scientist Editor. First person to bounce a neutron off a soap bubble. Personal views etc.8,048 followers | Follow
Encyclopedia of Life
Global access to knowledge about life on Earth. Personal, accessible, engaging and free. Come visit at www.eol.org8,022 followers | Follow
CellPressNews
Cell Press aims to improve scientific communication through the publication of exciting research and reviews.7,952 followers | Follow
KQEDscience
Follow KQED Public Media’s science and environmental coverage from Climate Watch, QUEST and more.7,645 followers | Follow
Brain Technology
Tweeting the latest trends in neuroscience and brain tech. Follow the NeuroRevolution.7,565 followers | Follow
WorldSciFest
The World Science Festival is a tribute to imagination, ingenuity, and inventiveness. The 2012 Festival is May 30th to June 3rd, in New York City. #WSF127,516 followers | Follow
Polar Bears Int'l.
Polar Bears International welcomes you to its official Twitter site! We're the world's leading nonprofit focused on conserving polar bears and their habitat.7,466 followers | Follow
PhysOrg Physics News
PhysOrg.com: Physics, Nanotechnology, Materials News Stories7,325 followers | Follow
Fauna & Flora Int.
Fauna & Flora International is conserving the planet’s threatened species and ecosystems – with the people and communities who depend on them.7,177 followers | Follow
HarvardScience
The central portal for medicine, health, science, engineering, technology, and public health coming from the schools, and affiliates of Harvard University7,122 followers | Follow
NOAA Satellites
NOAA Satellite and Information Service - The Office of Satellite and Product Operations highlights satellite imagery, hazard products, direct services, etc.7,051 followers | Follow
Matt Ridley
Matt Ridley is the author of provocative books on evolution, genetics, environment and society.6,980 followers | Follow
e! Science News
Science News updated by artificial intelligence that scans all major sources around the web6,885 followers | Follow
SpaceX Dragon
Official play-by-play for SpaceX webcasts. For regular updates, follow SpaceX @SpaceXer.6,749 followers | Follow
plant biology
Plant biologist in the north of england Happy that I still have lot to learn about plants Enthusiastic teacher Supporter of learners Likes variation and leaves6,707 followers | Follow
WIREs Nanomedicine
Authoritative encyclopedic review publication addressing key topics from the perspectives of medicine, biology, physics, chemistry, & engineering. 2010 IF 2.1896,487 followers | Follow
Nature Protocols
Nature Protocols is an online resource for authoritative, peer-reviewed protocols.6,472 followers | Follow
Skeptical Inquirer
Promotng scientific inquiry, critical thinking, science education, and the use of reason in examining important issues with our magazine the Skeptical Inquirer6,390 followers | Follow
PacificScienceCenter
A not-for-profit science foundation serving one million people a year across Washington state, inspiring a lifelong interest in science, math and technology.6,345 followers | Follow
A Moment of Science
A Moment of Science answers thousands of common questions about the world we live in through radio programs and audio and video podcasts - A production of @wfiu6,249 followers | Follow
MicrobeWorld
Chris Condayan, Public Outreach Manager, American Society for Microbiology. My tweets and @replies are not official comments or statements from the ASM.6,133 followers | Follow
Ocean Plastics
Read the latest buzz about plastics in our oceans. Then log-in via Twitter and join the conversation!5,943 followers | Follow
SEA LIFE Aquarium
SEA LIFE Carlsbad Aquarium is a unique interactive aquarium experience for kids, located at the LEGOLAND California Resort.5,807 followers | Follow
Daniel MacArthur
I work in high-throughput human genomics, and blog about the genetic testing industry5,757 followers | Follow
Museum Life+Science
Explore, Connect, Learn, Share. At the Museum & here on Twitter. Who's behind the tweets? Karyn (aka @ktraphagen), who would live at the museum if she could :)5,751 followers | Follow
Maryland Science Ctr
Touch Wonder with Dinosaurs - Outer Space - The Human Body - Movies in IMAX. - Planetarium Shows - Experiments.5,595 followers | Follow
Genome Research
5,289 followers | Follow
Scott Maxwell
On a small red light in the night sky lives four hundred pounds of thinking metal sent from Earth. I tell that metal what to do, and it does it.5,107 followers | Follow
UBC Botanical Garden
Established in 1916, the UBC Botanical Garden and Centre for Plant Research is Canada's oldest continuously operating university botanic garden.5,046 followers | Follow
CBC Tech and Science
Technology and science news and the Tech Bytes blog from CBCNews.ca.5,035 followers | Follow
ClimateCentral
An independent, non-profit journalism and research organization dedicated to helping mainstream Americans understand how climate change connects to them.5,024 followers | Follow
NatureRevGenetics
Publishing reviews and commentaries across the fields of genetics and genomics. For a list of NPG Twitter accounts see: http://twitter.com/#!/LouWoodley/npg4,721 followers | Follow
Berkeley Science
The official twitter account of The Lawrence Hall of Science at UC Berkeley.4,706 followers | Follow
Brendan Maher
Writer and Editor working for Nature (although views expressed here are my own).4,690 followers | Follow
science news
4,658 followers | Follow
SciencePolicy (CSPC)
Most comprehensive,multidisciplinary,multi-sector national forum on science,technology and innovation policy.Building Bridges for the Future of Science Policy4,551 followers | Follow
Arctic Sea Ice News
Follow updates to the National Snow and Ice Data Center: Arctic Sea Ice News & Analysis. For questions, please visit our Web site.4,539 followers | Follow
nature.com blogs
We (heart) Science Bloggers. Updating you on the nature.com blogs. Lou (@LouWoodley) and Laura (@laurawheelers)are behind the tweets. http://blogs.nature.com4,519 followers | Follow
Brian Switek
Distant cousin of T. rex, freelance science writer, author of 'Written in Stone' and 'My Beloved Brontosaurus' (due 2013 SciAm/FSG)4,403 followers | Follow
Computer Science
Computer Science News and Calls for Papers and for Elsevier Computer Science Journals4,142 followers | Follow
COSMOS magazine
Australia's #1 science magazine, winner of 45 awards – and where your job includes occasionally walking Gypsy, our Portuguese water dog mascot.4,135 followers | Follow
Geology.com News
4,109 followers | Follow
Digg (Science)
4,064 followers | Follow
NSF Geosciences
Advancing scientific knowledge of Earth's environment [administered by @pffli]4,022 followers | Follow
Penn State AgSci
Penn State College of Agricultural Sciences and Cooperative Extension is one of the nation’s premier institutions for agricultural research and education.3,866 followers | Follow
Engineering Science
Science news, technology research, and innovations. Special emphasis on disciplines at the Norwegian University of Science and Technology (NTNU). (via @csaetre)3,836 followers | Follow
Whole Science
Tweets on the potential of the human mind! From the science and self development site, Whole Science. Is your mind more powerful than you think?3,816 followers | Follow
Tyrone Taborn
Career Communications Group is the publisher of U.S. Black Engineer & IT Magazine. This is our twitter feed.3,750 followers | Follow
Jason Robertshaw
Science + ocean info and stuff. Professional marine science geek in Sarasota, FL. 3,710 followers | Follow
AboutInsects
Naturalist, writer, gardener, former classroom teacher, photographer, and bug freak.3,655 followers | Follow
R. Soc. Publishing
Publish journals across the life and physical sciences, including the longest running journal in the world, since 1665. Part of the prestigious Royal Society.3,592 followers | Follow
quippd Science News
3,586 followers | Follow
Rowan Hooper
News editor, @NewScientist. Former Tokyoite & entomologist. Author of ヒトは今も進化している (The Evolving Human) & columnist for @japantimes3,467 followers | Follow
For Women in Science
Since 1998, the L'Oréal-UNESCO For Women in Science Programme has recognised 1300 women scientists. Because the world needs science and science needs women.3,308 followers | Follow
USWildflowers.com
Gerry Williamson: I'm learning to identify wildflowers of the United States and am sharing what I learn as I go.3,284 followers | Follow
LunarOrbiter
Providing New Imagery and Data From the 1960's NASA Lunar Orbiter Missions For 21st Century Exploration3,256 followers | Follow
PhysOrg Space News
PhysOrg.com: Space, Earth, Environment, Astronomy News Stories3,226 followers | Follow
Bridge To Science
A free email service that quickly connects journalists with scientists.3,167 followers | Follow
@FlowerBox
- diversity & beauty of #nature. Origins, species & genera (taxa) of the world's flowers. @FlowerBox is on sabbatical thru 2011. (@0bject)3,161 followers | Follow
Biology News Net
Weblog of biology news updated each day by a PhD student in Retrovirology3,159 followers | Follow
Justin H. Johnson
Bioinformatics, Genomics, Biotech and ScaaS (Science as a Service). Outreach and Integration of Social Media w/ the Life Sciences. Co-tweeter at @EdgeBio.3,019 followers | Follow
SmithsonianMarineStn
Yes, the Smithsonian is in Florida! We are a field station of the National Museum of Natural History, devoted entirely to marine science research and education2,992 followers | Follow
ACS Chemical Biology
ACS Chemical Biology Editor and UW-Madison Prof Chem Biochem2,986 followers | Follow
Bay Area Bioscience
The Voice of Northern California's Life Sciences Industry2,964 followers | Follow
Steve Mirsky
Editor, columnist and podcaster for Scientific American @sciam magazine. Opinions expressed are my own and are subject to revision with new information.2,880 followers | Follow
SmithsonianVids
Archived lectures, exhibit videos and events from around the Smithsonian2,880 followers | Follow
EDGE of Existence
The EDGE of Existence programme highlights extraordinary species that are on the edge of extinction and works to save those forgotten by others.2,845 followers | Follow
Haley & Ecogeek Crew
We are biologists, greenies and filmmakers that are dedicated to education!2,727 followers | Follow
Dennis Dimick
#journalism #environment #photojournalism; @natgeomag Member: @sejorg @AAASMember @NPPA @flickr @500px; Faculty @MPW61 http://www.mophotoworkshop.org/2,700 followers | Follow
Antarctic science
@dr_andy_russell keeping you up to date with all the breaking Antarctic Science news and blogs2,635 followers | Follow
Erica Gies
I am a reporter who covers the environment, especially energy and water. In my spare time, I like to travel and to garden. Member, SEJ.2,591 followers | Follow
Yosemite Science
Yosemite Division of Resources Management and Science shares news and information about the park's natural and cultural resources.2,554 followers | Follow
Plant Biology
I am a plant biologist/scientist at a research organization twittering about plants, their biology and research2,552 followers | Follow
ReptileMagazine
Every month, Practical Reptile Keeping will give you a magazine packed with snakes, lizards, tortoises, amphibians and bugs.2,545 followers | Follow
Reuben H. Fleet
Located in Balboa Park, the Reuben H. Fleet Science Center offers San Diego’s only IMAX® Dome Theater and 100+ hands-on exhibits for curious minds of all ages.2,451 followers | Follow
UBC Science
News and events from the Faculty of Science at the University of British Columbia.2,440 followers | Follow
Aquarius Reef Base
Aquarius Reef Base is the World's only Undersea Research Station2,433 followers | Follow
Last Nature
Tweeting about Rare, Wonderful and Weird Critters- Cutting Edge News from the World of Natural History! Positive tweets about endangered nature!2,424 followers | Follow
Amazon Forest Union
We are a new Union to raise awarness about the impact of the Amazon Rain Forest. - More to come very soon. Website will be online shortly!2,357 followers | Follow
Michael Blume
Dr. in Religionswissenschaft, scientifically active in Evolutionary Studies of Religion(s). And a mission: Twitter needs more science tweets!2,347 followers | Follow
HMS Beagle Project
The new Beagle will bring the adventure of science to life, retracing Darwin's historic voyage of discovery. Tweets by @kejames, @lisamoab and Peter McGrath.2,163 followers | Follow
Starry Night EDU
The leader in space science curriculum solutions and the maker of Starry Night astronomy software.2,157 followers | Follow
Eberhard Dietze
gateway to worldwide biotech which opens up resources to the best free available biotech information2,130 followers | Follow
Earthquake Watch
Follow this Tweet to be notified about earthquakes greater than Magnitude 4.2,089 followers | Follow
Science for Humanity
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Science View
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Protein Data Bank
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INBT @ Johns Hopkins
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Swim like a mermaid;dance in the rain;whirl like pelagic dervish;cartwheel the canopy406 followers | Follow
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Ray of Science. Ray of Hope. Twittering the latest developments in Science.386 followers | Follow
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New life science blog. Where life science meets technology.73 followers | Follow
biomimicdesign.com
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recent graduate of Portland State in biochemistry, minor in space & planetary sciences, pursuing astrobiology research (especially the origins of life)26 followers | Follow
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