Science
National Geographic
Since 1888, we've traveled the Earth, sharing its amazing stories with new generations. Official Twitter account of National Geographic.1,897,471 followers | Follow
AstrobiologyNAI
NASA Astrobiology Institute: we study life in the Universe!916,037 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.873,957 followers | Follow
WIRED Science
Science, space, energy and robot sharks with lasers. Hosted by the Wired Science team: @betsymason, @9brandon, @adamspacemann, @davemosher & @danielaphd.688,188 followers | Follow
New Scientist
New Scientist is the world's leading science and technology weekly. http://www.facebook.com/newscientist560,380 followers | Follow
Science Channel
Thought-provoking updates, insider news and more from Science...show your #nerdtweet pride!507,488 followers | Follow
Neil deGrasse Tyson
Astrophysicist, American Museum of Natural History. Author: Space Chronicle, The Pluto Files,. Host: StarTalk Radio http://StarTalkRadio.net491,278 followers | Follow
Scientific American
Scientific American Magazine and online, over 165 years of science news367,165 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, 2012.360,362 followers | Follow
NYTimes Science
Science, Environment, Space and Cosmos News From NYTimes.com/Science317,381 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.316,218 followers | Follow
Science News
Covering important and emerging research in all fields of science. Publisher @society4science. Moderator @pwthornton. See also @sciencenewskids.303,013 followers | Follow
Guardian Science
News, comment, all that stuff from the Guardian's science, health and environment team252,858 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 interested246,568 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.214,943 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.212,938 followers | Follow
CassiniSaturn
Cruising around Saturn, its moons and the magnificent rings194,199 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, Antenna168,425 followers | Follow
Digg Science
Top science stories as they roll across the homepage of Digg.com162,130 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.152,825 followers | Follow
PhysOrg Science News
Science news, Technology news. Physics, Space, Biology, Chemistry, Engineering, Math, Electronics, Nanotechnology, Materials, Computers, Health, Earth Science.139,332 followers | Follow
carlzimmer
Science writer: champion of underappreciated life forms. New book: Science Ink: Tattoos of the Science Obsessed http://bit.ly/scienceinkbook104,428 followers | Follow
Curiosity Rover
NASA's next mission to Mars. I'm currently en route to the Red Planet. Arrival anticipated Aug. 5, 2012.101,414 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.74,712 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 more61,903 followers | Follow
Science Magazine
The world's leading outlet for scientific news, commentary, and cutting-edge research.54,110 followers | Follow
Paul Thurrott
Paul Thurrott is the guy behind the SuperSite for Windows. Way behind. :)53,831 followers | Follow
LiveScience
Science news covering top stories of the day in health, environment, animals, technology and space42,644 followers | Follow
sciencedaily
Visit ScienceDaily to read breaking news about the latest discoveries in science, health, the environment, and technology.31,614 followers | Follow
American Elements
Science Technology from American Elements- Nanotechnology, Robotics, AdvancedMaterials, AlternativeEnergy, Lasers, Military, GreenTechnology, LifeScience, Space31,056 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.29,180 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!25,319 followers | Follow
Times Science
The inside track on science, health and the environment from The Times (of London), and the journalists who write it22,786 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 community21,427 followers | Follow
Bioscience News
Attempting to relay the top bioscience news. Shoot a message if you have suggestions. Retweet okay.21,370 followers | Follow
Science Mag News
The news staff at Science Magazine bring you the hottest science news and stories, served up every weekday.18,474 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.17,242 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.15,335 followers | Follow
Bora Zivkovic
Blogs Editor at Scientific American. Visiting Scholar at NYU school of journalism. Organizer of ScienceOnline. My tweets are my own.13,911 followers | Follow
Joanne Manaster
Biology lecturer, video science book reviewer, co-host of @sciamblogs- PsiVid. #STS135 #NASAtweetup alum, former international model who LOVES science!13,358 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?12,621 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 Center12,574 followers | Follow
Fermilab Today
Fermilab's mission is to advance the understanding of the fundamental nature of matter and energy.12,449 followers | Follow
Armed with Science
U.S. Defense Department's science and technology blog. RTs are not endorsements. You've been SCIENCED!11,983 followers | Follow
L.A. Times Science
Science and medical news from @latimes. See latimes.com/twitter for more news streams.11,962 followers | Follow
Biological Science
The latest updates & news from the books, journals & online resources available from the Wiley-Blackwell Biological Sciences subject.10,396 followers | Follow
Jonathan Eisen
Biologist & blogger w/ #evolution #microbes & #genomes focus; #openaccess & @PLoSBiology advocate; @Harvard @Stanford alum; prankster; cyclist & Prof. @UCDavis10,094 followers | Follow
BerkeleyLab
Lawrence Berkeley National Lab is an @ENERGY national lab. Tweets by Berkeley Lab's Public Affairs Department.9,274 followers | Follow
Science Policy News
ScienceInsider has moved! Follow @ScienceNOW for breaking policy and research news from the staff at Science magazine!9,007 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.8,498 followers | Follow
KQEDscience
Follow KQED Public Media’s science and environmental coverage from Climate Watch, QUEST and more.7,645 followers | Follow
PhysOrg Physics News
PhysOrg.com: Physics, Nanotechnology, Materials News Stories7,405 followers | Follow
Science and the City
The public gateway to the New York Academy of Sciences.7,133 followers | Follow
Brookhaven Nat'l Lab
Brookhaven Lab delivers science-based solutions for the nation's energy, environmental and security needs.7,096 followers | Follow
e! Science News
Science News updated by artificial intelligence that scans all major sources around the web6,918 followers | Follow
Nature Protocols
Nature Protocols is an online resource for authoritative, peer-reviewed protocols.6,520 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.6,162 followers | Follow
BIS_Science
To build a dynamic, knowledge based economy BIS draws together the nation's strengths in colleges, research, science and universities.5,753 followers | Follow
SLAC Accelerator Lab
Photon Science, Particle Physics, & Astrophysics National Lab, since 19624,101 followers | Follow
quippd Science News
3,588 followers | Follow
New Science Books
Tweets new science book releases on the day of their publication.3,273 followers | Follow
