Science
National Geographic
Since 1888, we've traveled the Earth, sharing its amazing stories with new generations. Official Twitter account of National Geographic.1,877,103 followers | Follow
TEDTalks Updates
The official feed for daily TEDTalks. Only new TEDTalks are posted on this feed. For all TED news, follow @TEDNews too!1,012,070 followers | Follow
AstrobiologyNAI
NASA Astrobiology Institute: we study life in the Universe!916,079 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.872,394 followers | Follow
WIRED Science
Science, space, energy and robot sharks with lasers. Hosted by the Wired Science team: @betsymason, @9brandon, @adamspacemann, @davemosher & @danielaphd.685,300 followers | Follow
Smithsonian
We're not a museum. We're 19 of them! Plus 9 research centers & the National Zoo. Follow your favorites668,848 followers | Follow
New Scientist
New Scientist is the world's leading science and technology weekly. http://www.facebook.com/newscientist557,323 followers | Follow
Science Channel
Thought-provoking updates, insider news and more from Science...show your #nerdtweet pride!503,260 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.408,449 followers | Follow
Scientific American
Scientific American Magazine and online, over 165 years of science news365,336 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, 2012.359,042 followers | Follow
NYTimes Science
Science, Environment, Space and Cosmos News From NYTimes.com/Science316,013 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.314,696 followers | Follow
Science News
Covering important and emerging research in all fields of science. Publisher @society4science. Moderator @pwthornton. See also @sciencenewskids.302,020 followers | Follow
History Channel
Official History™ Network Twitter. The leading destination for revealing, award-winning, original non-fiction series and event-driven specials.245,135 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.227,245 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!218,041 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.217,560 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.214,479 followers | Follow
CassiniSaturn
Cruising around Saturn, its moons and the magnificent rings193,735 followers | Follow
Science Museum
Welcome to the Science Museum. Gemma in Marketing/Web writes the tweets and look out for #smnews tweets from our contemporary news team, Antenna167,763 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.164,388 followers | Follow
Digg Science
Top science stories as they roll across the homepage of Digg.com161,760 followers | Follow
National Geographic
National Geographic - Since 1888, we've traveled the Earth, sharing stories with each new generation. See amazing images captured from around the world.158,362 followers | Follow
ChemistryWorld
Chemistry magazine bringing you the latest chemistry news and research every day. Published by the RSC.145,029 followers | Follow
PhysOrg Science News
Science news, Technology news. Physics, Space, Biology, Chemistry, Engineering, Math, Electronics, Nanotechnology, Materials, Computers, Health, Earth Science.139,082 followers | Follow
NASA Astronauts
Hear from all NASA's astronauts on Twitter, plus updates on astronaut activities here.135,644 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.118,684 followers | Follow
Nieman Lab
The Nieman Journalism Lab at Harvard University: Trying to figure out the future of news.85,015 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.74,414 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.65,262 followers | Follow
Harvard Research
Advances in research and scholarship from across Harvard University64,820 followers | Follow
Nature Chemistry
A journal dedicated to publishing high-quality papers describing significant research in all areas of chemistry.55,565 followers | Follow
Science Magazine
The world's leading outlet for scientific news, commentary, and cutting-edge research.53,574 followers | Follow
Mashable Tech
The latest Technology & Gadgets News and Resources from @Mashable. Tweets by @PetePachal.48,494 followers | Follow
LiveScience
Science news covering top stories of the day in health, environment, animals, technology and space42,293 followers | Follow
NASAEyesOnTheEarth
Being rocket scientists isn't enough...we're climate scientists too! News from NASA on all things climate.37,890 followers | Follow
amhistorymuseum
Real Stories. Real Stuff. At the National Museum of American History. Read our blog: http://blog.americanhistory.si.edu34,578 followers | Follow
sciencedaily
Visit ScienceDaily to read breaking news about the latest discoveries in science, health, the environment, and technology.31,248 followers | Follow
American Elements
Science Technology from American Elements- Nanotechnology, Robotics, AdvancedMaterials, AlternativeEnergy, Lasers, Military, GreenTechnology, LifeScience, Space31,056 followers | Follow
History Day
History Never Dies www.historybyday.com Facebook Page: www.facebook.com/HistoryDay Facebook Me: www.facebook.com/Andrew.Vivier30,911 followers | Follow
Pocket History
Random facts from the Pocket Guide to World History, a free iPhone Web Application.29,132 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.29,052 followers | Follow
Discovery Space
The space topic hub for @Discovery_News. All things astronomy, physics, cosmology, spaceflight, NASA, exoplanets & more! (Administered by @astroengine.)28,061 followers | Follow
SmithsonianAirSpace
The Smithsonian National Air and Space Museum maintains the largest collection of historic air & space objects in the world.26,225 followers | Follow
History Magazine
Love history? Then you'll love HISTORY Magazine, the official publication of @HistoryChannel.26,183 followers | Follow
msnbc.com Tech
Technology news from msnbc.com. Have a tip or question? Ask @rosa, one of the humans behind this Twitter account.25,845 followers | Follow
Earth Observatory
NASA images, stories, and discoveries about climate and the environment.22,547 followers | Follow
Space Fellowship
An international news and information network dedicated to the space industry.22,169 followers | Follow
Physics World
News, views and information for the global physics community21,334 followers | Follow
NASA Images
Largest collection of NASA related media from a single, searchable site.21,076 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.19,872 followers | Follow
Science Mag News
The news staff at Science Magazine bring you the hottest science news and stories, served up every weekday.18,398 followers | Follow
Harvard Med School
Research, education news & trends in Science & the healing arts from Harvard Medical School (HMS). Staffed by the Office of Communications & External Relations.16,970 followers | Follow
AHA Science
American Heart Association/American Stroke Association Science News16,821 followers | Follow
Universe Today
The official feed for Universe Today. You'll read our stories, and links to the best space news, photos and videos we can find.15,032 followers | Follow
Astronomy Magazine
Astronomy informs, entertains, and inspires people who are interested in the science and hobby of astronomy.14,480 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.12,575 followers | Follow
UK Space Agency
The official Twitter account of the UK Space Agency. The Agency is at the heart of UK efforts to explore and benefit from space.12,109 followers | Follow
Armed with Science
U.S. Defense Department's science and technology blog. RTs are not endorsements. You've been SCIENCED!11,963 followers | Follow
Museum of Science
Follow us for updates and special offers on exhibits and shows, fun science facts, and breaking news.11,413 followers | Follow
Archaeology Magazine
A publication of the Archaeological Institute of America. Features & daily news, plus live reports from editors in the field.11,384 followers | Follow
NOAAOceanToday
NOAA Ocean Today is a NOAA/Smithsonian partnership - Follow us for the latest ocean news10,806 followers | Follow
Nature Biotechnology
Nature Biotechnology is a monthly journal covering the science and business of biotechnology.10,610 followers | Follow
Biological Science
The latest updates & news from the books, journals & online resources available from the Wiley-Blackwell Biological Sciences subject.10,338 followers | Follow
The Florida Aquarium
A great destination where guests can Swim with the Fishes and Dive with the Sharks10,257 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.10,089 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 service9,915 followers | Follow
BerkeleyLab
Lawrence Berkeley National Lab is an @ENERGY national lab. Tweets by Berkeley Lab's Public Affairs Department.9,260 followers | Follow
Pharma News
sharing all the latest news from the #pharma industry #drugs #biotech #fda8,727 followers | Follow
Physics Update
8,400 followers | Follow
Symphony of Science
Symphony of Science updates, and other musical adventures of John D Boswell8,386 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.8,123 followers | Follow
CellPressNews
Cell Press aims to improve scientific communication through the publication of exciting research and reviews.7,967 followers | Follow
Chemistry News
The latest Chemistry news from only the best sources. Want to tweet here?: newleaf(at)sent.com ### Healthy recipes: http://www.HealthyRecipesPro.com7,810 followers | Follow
Earth Science
7,794 followers | Follow
A Science World
7,776 followers | Follow
Spitzer Telescope
Capturing the infrared spectrum since 2003. For the official feed follow @NASAspitzer.7,732 followers | Follow
WISE mission — NASA
NASA's Wide-field Infrared Survey Explorer: Mapping the Sky in Infrared Light. Keywords: NASA WISE spacecraft wide field infrared survey explorer7,647 followers | Follow
Archaeology
7,564 followers | Follow
Birch Aquarium
Birch Aquarium at Scripps is the public exploration center for the world-renowned Scripps Institution of Oceanography at UC San Diego.7,507 followers | Follow
PhysOrg Physics News
PhysOrg.com: Physics, Nanotechnology, Materials News Stories7,355 followers | Follow
Science Museum of MN
Located in downtown St. Paul, the Science Museum of Minnesota is the Upper Midwest's must-see, must-do museum. Tweets by Karen & Eric.7,282 followers | Follow
Smithsonian CivilWar
Explore the 150th anniversary of the American Civil War through the collections, programs, and events of the Smithsonian Institution. http://civilwarstudies.org7,222 followers | Follow
HarvardScience
The central portal for medicine, health, science, engineering, technology, and public health coming from the schools, and affiliates of Harvard University7,127 followers | Follow
Science and the City
The public gateway to the New York Academy of Sciences.7,112 followers | Follow
Brookhaven Nat'l Lab
Brookhaven Lab delivers science-based solutions for the nation's energy, environmental and security needs.7,082 followers | Follow
Asteroids and Comets
Reports asteroids and comets closest approaches to earth7,057 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
Exoplanetology.com
The Art and Science of New Worlds. Explores the impact of Exoplanet discoveries on Humanity's Culture and Future. http://bit.ly/Twanifesto6,431 followers | Follow
SI Ocean Portal
Dive into the Smithsonian Ocean Portal! Meet amazing creatures, explore the depths of the sea and discover your own connection to the ocean. Find YOUR Blue.5,706 followers | Follow
Maryland Science Ctr
Touch Wonder with Dinosaurs - Outer Space - The Human Body - Movies in IMAX. - Planetarium Shows - Experiments.5,601 followers | Follow
Smithsonian Channel
With original series, documentaries, and award-winning shows, no one brings you America's stories like Smithsonian Channel.5,558 followers | Follow
geosociety
The Geological Society of America (GSA) unites earth scientists and facilitates the sharing of scientific findings about our planet and universe.5,212 followers | Follow
Genetic Alliance
nonprofit network transforming health through genetics. openness in health systems. advocacy. empowerment. education. dialogue. informed decisions. access.5,050 followers | Follow
Manchester Sci Fest
News from Manchester Science Festival; shows, installations, debates, comedy, family fun & more. 27 Oct - 4 Nov 2012 #msf12 Our new project is @turingsunflower5,048 followers | Follow
Genetics Blogs
A place for Genetics and DNA Bloggers: http://geneticsblogs.com4,995 followers | Follow
Daniel Fischer
All things astronomy and space (and then some) - in tiny bits and pieces but mostly with links to more ... :-)4,815 followers | Follow
NSF Science 360 News
Sponsored by the National Science Foundation, Science360 is an up-to-date view of breaking science news from around the world.4,566 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.4,547 followers | Follow
Space News Intl.
A weekly international newspaper for the global space community.4,489 followers | Follow
The Space Place
Website for elementary age kids, parents, & anyone who likes Space/Earth Science & technology topics. There’s interactive games, hands-on projects, & fun facts.4,389 followers | Follow
E. Trillaud-Doppia
Neuroscientist, Ph. D. Candidate at the Université de Montréal. I am interested in Alzheimer's Disease.4,360 followers | Follow
Dr. Bruce Betts
A planetary scientist giving you fun random space facts and easy astronomy in a short attention span format.4,335 followers | Follow
NANO Magazine
The Magazine for Small Science. NANO Magazine features the latest developments in nanotechnology applications.4,294 followers | Follow
Posit Science
The leader in clinically proven brain fitness programs. Check out our website or call 866-599-6463 for more info! Get support at http://tinyurl.com/pssupport4,033 followers | Follow
Science Progress
The online magazine where science, technology, and policy meet. [Administered by @SeanPool]3,981 followers | Follow
CT Science Center
Immerse yourself in fun, educational hands-on, minds-on interactive experiences related to science. 150+ exhibits..10 galleries..3D theater..cafe..& more.3,827 followers | Follow
American Scientist
An authoritative source of science and technology news and features since 1913.3,642 followers | Follow
The Zooniverse
A collection of websites where we ask the public to help us do real science online. Our projects include, Galaxy Zoo, Old Weather, Planet Hunters and more...3,489 followers | Follow
Weird Science
As seen in the blogosphere! A Swedish dream team of film/tv critics3,446 followers | Follow
Society of Biology
The leading professional body representing many of the learned societies and other organisations making up the diverse landscape of the biological sciences3,379 followers | Follow
Newser Science News
Newser reduces news stories to a headline, picture, and two paragraphs 24/7. Read less, know more.3,320 followers | Follow
Biology News Net
Weblog of biology news updated each day by a PhD student in Retrovirology3,169 followers | Follow
U.S. News Science
U.S. News and World Report: Science, Technology and Environment news.3,166 followers | Follow
SD Science Festival
Nation's largest Science Festival! http://www.sdsciencefestival.com2,895 followers | Follow
AstroBlog.CosmoBC
I'm passionate about #space and write about #astronomy & space exploration in my blog @CosmoBC2,871 followers | Follow
NSF Math & Phys
Mathematics and physical science in service to society [administered by @pffli]2,845 followers | Follow
Capital Science
Topical internet radio show from Imperial College, London. Cutting edge news, views and events coming out of science in London2,776 followers | Follow
New J. Phys.
New Journal of Physics: A free-to-read research journal publishing across physics, co-owned by the Institute of Physics & Deutsche Physikalische Gesellschaft.2,677 followers | Follow
NWTT Aurora
See the greatest show on Earth, the breath-taking, spectacular Northern Lights, an incomparable experience. If you think we're exaggerating you haven't seen it.2,543 followers | Follow
Professor Astronomy
Astronomy researcher at the University of Texas at Austin2,515 followers | Follow
TIS Astro Cam
Stay up to date with the latest news and inside information about the full range of DMK cameras for astrophotography from The Imaging Source.2,477 followers | Follow
Astrobiology Mag
Astrobiology Magazine is a NASA-sponsored online popular science magazine. Our stories profile the latest and most exciting news in astrobiology.2,280 followers | Follow
Chemical Science
A new journal from RSC Publishing for findings of exceptional significance from across the chemical sciences. ALPSP Best New Journal 20112,132 followers | Follow
Imperial Spark
Imperial College London science news - by research comms team Katie, Simon, Colin, Sam, Tanya, Laura & Natasha2,070 followers | Follow
New Physics Books
All new physics book releases posted on their publication day2,055 followers | Follow
explorations now
The award-winning e-publication of Scripps Institution of Oceanography, UC San Diego. SIGN UP AT: http://explorations.ucsd.edu/Sign_Up1,753 followers | Follow
Lowell Observatory
A private, non-profit institution dedicated to astronomical research and outreach.1,690 followers | Follow
Dr. Heather Good
Heather Good EdD is editor of http://FoundonMars.com Attendee of STS-134 Tweetup!!1,690 followers | Follow
Science News Blogs
Science News has been published since 1922. This award-winning biweekly news magazine covers important and emerging research in all fields of science.1,594 followers | Follow
The Universe
This is the Universe's attempt to stay in touch with its customers. Ask me anything!1,534 followers | Follow
American Science
We are American Science! Check out our myspace for some tunes!1,396 followers | Follow
USCivil War
The American Civil War, also known as the War between the States, lasted 4 years from 1861 to 1865. In the end, slavery was abolished and the union preserved.1,395 followers | Follow
Royal Aero Society
Official tweets, discussions and media content from the multimedia blogs of The Royal Aeronautical Society.1,384 followers | Follow
Reading Astronomy
We are an amateur astronomical society in Reading, Berkshire catering for all ages and abilities with monthly meetings, public events, star parties and more.1,375 followers | Follow
Dark Sky Festival
9th Annual Dark Sky Festival at Harmony. April 14, 2012 Be Part of the Solution, Fight Light Pollution!1,345 followers | Follow
Science Fact
Dispensing daily interesting science facts to the masses. DM fact suggestions!!!1,308 followers | Follow
Medicine Science
1,273 followers | Follow
fusionenergy
CCFE wants to spread the word about what's happening on fusion research - to bring you a new form of energy!1,237 followers | Follow
World WarII
The Second World War began for the United States in December 1941. It was fought against Germany and Japan and ended with the atomic bombs in 1945.1,207 followers | Follow
Milky Way Project
Citizen Science from the Zooniverse using data from NASA's Spitzer Space Telescope. Tweets from the development team at Zoo HQ.1,153 followers | Follow
Nuclear Museum
The National Museum of Nuclear Science & History; congressionally chartered, Smithsonian Affiliate1,116 followers | Follow
Science News
Science News: Science news feed from SciGuru.com, a portal for science and technology news. Health News, Space News, Diabetes News, Biology News, Medicine News984 followers | Follow
Chemistry Central
Chemistry Central publishes peer-reviewed open access research in chemistry. Chemistry Central is part of the @BioMedCentral group. Tweets by editorial team.880 followers | Follow
ScienceCareerSite
ScienceCareerSite.com is the premier career site for job seekers and employers in the Science and Biotechnology industry.865 followers | Follow
Space Daily News
Space research and NASA news from SciGuru.com, a science and technology news source. Post the space news on your favorite sites such as Digg or own website.865 followers | Follow
Galactic Drifter
Possibly approaching the Solar System from the general direction of the star Alpha Cygni (Deneb). Why? Follow the Web link to learn more.829 followers | Follow
Irish Astronomy
816 followers | Follow
Olfactory Bioscience
We create wellness products based on nobel prize science.714 followers | Follow
plutotoday
News about the planet Pluto and the New Horizons mission scheduled to arrive at Pluto in July, 2015. A service of @SpaceRef.625 followers | Follow
Chaffee Planetarium
The Roger B. Chaffee Planetarium lives inside the Public Museum. Through astronomy education, we help people understand the universe and their place in it.605 followers | Follow
SouthEastPhysics
SEPnet, the South East Physics Network in a consortium of seven physics departments around the SE of England446 followers | Follow
UK Phys Sci Centre
Part of the Higher Education Academy, we support the physical sciences in UK HEIs434 followers | Follow
singularity
the latest in robotics, human enhancement, genetics, nanotech, longevity, AI, the brain, etc.417 followers | Follow
Ray of Science
Ray of Science. Ray of Hope. Twittering the latest developments in Science.386 followers | Follow
Arno Vlooswijk
Twitter asking and answering questions about the animal and human thermoregulating system.184 followers | Follow
Bioorganic Chemist
Bioorganic chemist, chemical biologist, general academic professorial multidisciplinarian.170 followers | Follow
ThinkSCIENCE
ThinkSCIENCEは日本の大学、病院、研究所、学術ジャーナル、または企業で働いている科学者、医療専門家や研究者の方々に対して高品質の翻訳・英文校正・プルーフリーディングサービスをご提供いたします。166 followers | Follow
Surfin'theSolarWind
We're a group of amazing teens & adults, spreading knowledge of the solar system and innovative technology all over the world. =) Follow us!!53 followers | Follow
Science Brkthroughs
Breakthroughs in Science from the College of Science at Oregon State University48 followers | Follow















































































































































































































