Astro
Asteroid Watch
JPL's Near Earth Object Office coordinates NASA's efforts to detect, track & characterize potentially hazardous asteroids & comets that could approach Earth.874,511 followers | Follow
Neil deGrasse Tyson
Astrophysicist, American Museum of Natural History. Author: Space Chronicle, The Pluto Files,. Host: StarTalk Radio http://StarTalkRadio.net493,200 followers | Follow
Soichi Noguchi 野口 聡一
Long duration space flight on ISS! http://goo.gl/qmmf7 http://bit.ly/3ZMbEb http://bit.ly/bXNO6I http://bit.ly/bGfUrB http://linkd.in/ePb57v446,493 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!212,511 followers | Follow
Stephen Hawking
Theoretical physicist and Lucasian Professor of Mathematics at the University of Cambridge. Likes: black holes, cats and watching TV.127,679 followers | Follow
Douglas H. Wheelock
Test Pilot; NASA Astronaut: STS-120 & ISS-25; Space Station Commander; Living a life of faith inspired by quiet moments...107,270 followers | Follow
Nicole Stott
NASA Astronaut STS-128, ISS Expeditions 20/21, STS-129, STS-133. Aquanaut NEEMO 9.94,358 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.66,132 followers | Follow
Naoko Yamazaki
Mission Specialist Astronaut on STS-131. Retired from JAXA in Aug'11. Dreams for space will continue...☆ (Not a NASA/JAXA official site. JAXA公式サイトではありません。)65,355 followers | Follow
Twisst ISS alerts
Twisst sends you a tweet when the international space station (ISS) will be visible at your location. Created by journalist/webdeveloper @tjaap. #science #space46,884 followers | Follow
Vanna Bonta
citizen of the cosmos - Arts (books, film, poetry at the heart of all), language(s), Nature, humanity, space, quanta, biocentrism cosmology, life & apple pie44,797 followers | Follow
NASA Social
Follow us for announcements on social media @NASA and for info about upcoming NASA Socials39,083 followers | Follow
Scott Kelly
31,661 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.27,036 followers | Follow
SmithsonianAirSpace
The Smithsonian National Air and Space Museum maintains the largest collection of historic air & space objects in the world.26,455 followers | Follow
Sandy Magnus
23,153 followers | Follow
Cady Coleman
22,507 followers | Follow
Mike Fossum
Astronaut, Husband, Father, Christian, USAF Col (Ret), Texas A&M, Eagle Scout, Scoutmaster, Grandfather. Former Commander of Expedition 29.19,633 followers | Follow
Jeff Williams
19,062 followers | Follow
NASA Watch
Covering NASA online since 1996. We're the source for NASA news.17,640 followers | Follow
NASA Spinoff
Since 1976, NASA's Spinoff publication has featured over 1,750 NASA-derived technologies that improve your life.15,054 followers | Follow
Space Center Fan
Dedicated fan of Kennedy Space Center, tweeting launch dates, tours, tickets & events in Florida, NASA, Space & more! Follows back15,047 followers | Follow
Emily Lakdawalla
I'm the Planetary Society blogger, once a planetary geologist, now a writer and mom, writing about great space images and mission news.14,873 followers | Follow
Astronomy Magazine
Astronomy informs, entertains, and inspires people who are interested in the science and hobby of astronomy.14,604 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.12,696 followers | Follow
KSC Visitor Complex
Tour behind the scenes, meet a real astronaut, get vertical on the Shuttle Launch Experience, walk beneath a moon rocket and see 3D IMAX space films.12,385 followers | Follow
Spacevidcast
Making Space Commonplace! New media company looking to the stars.9,995 followers | Follow
Sam Cristoforetti
Samantha Cristoforetti. ESA astronaut. Italian Air Force officer.Training to fly to ISS one day. Honoured to be part of the great endeavour of space exploration7,342 followers | Follow
Asteroids and Comets
Reports asteroids and comets closest approaches to earth7,120 followers | Follow
A Geek Mom (Shannon)
Self-employed web geek; Space Tweep; Space Camp (1987) & NASATweetup alumnus since Nov. 2009 (STS-129 KSC). My tweets are my own.6,636 followers | Follow
Jen Scheer
Former Space Shuttle technician. Artist, photographer, inventor. Space Tweep Society founder, @FragileOasis contributor, and 2010 Shorty Award winner.6,570 followers | Follow
Space Tweep Society
The official Twitter account of the Space Tweep Society. Posting news & updates on society happenings. #STwS #spacetweeps5,977 followers | Follow
Nancy Atkinson
Senior Writer and Editor for Universe Today, Host of the NASA Lunar Science Institute podcast & a NASA/JPL Solar System Ambassador.4,616 followers | Follow
Chris B - NSF
NASASpaceFlight Managing Editor. Shuttle Hugger/NASA Pimper. Insists orbiters are called *she* not *it*. York City FC PROMOTED!! Best animal: Horses, FACT.4,188 followers | Follow
Story Musgrave
thinker, astronaut, poet, landscape architect, doctor, speaker, marine, artist, professor, innovator3,888 followers | Follow
Meteorite Men
Official feed for Science Channel's award-winning adventure series METEORITE MEN starring Geoff Notkin and Steve Arnold3,887 followers | Follow
Wayne Hale
Former Space Shuttle Program Manager & Flight Director for 40 missions. Now retired from NASA after 32 years. Currently consults for SAS & a full time grandpa.3,718 followers | Follow
RobertPearlman
Editor and Founder of collectSPACE.com: The Source for Space History and Artifacts, and 2009 Space Camp Hall of Fame inductee3,693 followers | Follow
Shuttle Discovery
A fun take on Space Shuttle Discovery (note, we're not NASA)2,623 followers | Follow
Andrea Farmer
PR for Kennedy Space Center Visitor Complex, wildlife enthusiast, bicyclist, and artist.2,537 followers | Follow
Andy Scheer
Former space shuttle technician now helping retire the program to make way for the future! My tweets are my own and do not reflect those of my employer or NASA.2,264 followers | Follow
Debra L Davis
WomanAstronomer.com promotes astronomy as a hobby and science & encourages women and girls interested in the science.2,127 followers | Follow
Tony Hoffman
PCMag.com printers, scanners & projectors analyst; writer; amateur astronomer; photographer; radio amateur (AA2TH)1,992 followers | Follow
Shuttle Endeavour
A fun take on Space Shuttle Endeavour (note, we're not NASA)1,987 followers | Follow
spasmunkey
NASA physiologist, shuttle hugger, space geek. I love airplanes, science and Star Wars movies. Outdoorsy gal. My tweets are my own.1,984 followers | Follow
Tim Bailey
Catalyst, father of adventurous toddler, & proficient at zero gravity flips in multiple axes. SPACE IS AWESOME.1,885 followers | Follow
Pontchartrain Pete
NOLA blogger (all right, who am I kidding, Twitter killed my blog). Print media writer, photographer working on the Northshore. #NASATweetup #STS135 attendee!!!1,857 followers | Follow
Jon Cowart
Post Modern NASA guy. Nurturer of the Commercial Crew dream. Pursuer of Mars. Husband, father of Buzz & Squirrel. Braves/Yellow Jackets/Gunners/Smoke fan1,836 followers | Follow
Craft Lass
A renaissance man trapped inside a modern woman. Singer/songwriter with a passion for inner and outer exploration of many kinds. Living tweetup.1,820 followers | Follow
SPACETRAiLS
#Headlines from orbit! Globally collected space/astronomy news gathered from different sources.LIVE coverage at special events. #Multilingual1,792 followers | Follow
Royce Renfrew
NASA Flight Director, Johnson Space Center, Houston Texas. International Space Station Flight Director1,765 followers | Follow
Fred Stevens
ONLY 18yo+ to follow me! Reality Show Junkie, BigBrother & Survivor, MMA, WWE, TNA, pop-culture, X-factor,TBBT ,GLEE and lover of Wine, Women, Travel & Gambling1,717 followers | Follow
Patrick M.
There is simply nothing better than looking into deep space to soothe the mind and put things into perspective. IT & Content Geek. Spaceflight. Tech Rocks!1,651 followers | Follow
Absolut Space Guy
#BlueAngels F/A-18 Flight Veteran | #Science & Aerospace Reporter | I've Flown in ZeroG | Educational Speaker | #Aviation #SCtweetup #LMtweetup #NASA1,617 followers | Follow
Shuttle Atlantis
A fun take on Space Shuttle Atlantis (note, we're not NASA)1,572 followers | Follow
Michael Grabois
Rocket Scientist for hire, Longhorn, Parrothead, Legion of Super-Heroes fan, craps player, Springsteen groupie, nomad. Trained astronauts for fun & profit.1,551 followers | Follow
shuttlestation
News related to the International Space Station. A service of @SpaceRef.1,511 followers | Follow
AstronautWoman
NASA KSC Shuttle/Ares 1-X/Expendables Fluids & Quality Engineer, ERAU Alumni & SWE Member, also love photography, flying airplanes & traveling the world!1,323 followers | Follow
Mark Kirkman
Aerospace Consultant, Space Geek, Pilot, Flight Engineer, Instructor, Mechanic, Space Media Analyst, Journalist?, Rocket Scientist?1,261 followers | Follow
Reid Wiseman
Launching in 2014 to the International Space Station. Come along for the ride!1,182 followers | Follow
Amiko Kauderer
Storyteller. Some are true; most are lies. Modern hippie. Competetive creep. Outdoors. World travel. I teach astronauts to tweet & sometimes I'm on #NASATV.1,154 followers | Follow
Catherine Baker
chemist, artist, dreamer, maker of things. Science, space, photography, aviation... http://www.flickr.com/photos/cmilesbaker http://cmilesbaker.wordpress.com1,145 followers | Follow
Holly Lamb
Proudly supporting NASA's mission to inspire the next generation; delivering on ATK's commitment to communities where employees live and work.1,141 followers | Follow
Misty Dawn
partially sighted,mildly HOH,Christian,ace,INFJ,synesthete,public radio nut,newsie,MVPSer,radio amateur,Greek/Latin by day,air/space by night,#PolishPride939 followers | Follow
Susan N. Freeman
Engineer building the International Space Station at JSC, Artist, Graphic Designer, deck/cabinet builder... oh, and I used to play pro women's tackle football.889 followers | Follow
Garret Fitzpatrick
Explorer, Writer, Engineer. Entrepreneur, passionate about science, exploration, technology, and travel.755 followers | Follow
Markus Zimmerman
Personal Trainer/Group Fitness Instructor, Nutritionist, Exercise Therapist. Frmr Space Shuttle Engineer at KSC727 followers | Follow
Nathan Moeller
Technical Developer, Graphic Designer @MaxQEnt. #STS128 SCA Flight, #STS132 Launch, D.C. #RogueTweetup & #DiscoveryChaseTeam710 followers | Follow
Astronut099
Mad rocket scientist working at Kennedy Space Center. My opinions are my own...my exwives can't even have them :-P599 followers | Follow
Jeff Burton
An observational astronomer forced to make a living as a system architect.543 followers | Follow
Gray Line Orlando
The #1 sightseeing tour company in Central Florida! Offering tours to Kennedy Space Center, Space Shuttle Launch Viewing, Swim with Dolphins/Manatees, Miami+++538 followers | Follow
Victoria Hulbert
Former KSC TPS Engineer on OV-105 (Endeavour). I try not to comment on things that I have no 1st hand knowledge of or a reliable source.Opinions are my own.538 followers | Follow
Jan DuRaine
Life is what you make it. Don't stop living till they close the lid.538 followers | Follow
Mike Allyn
NASA Flight Controller, father of two awesome girls, husband, Boilermaker, into vintage cameras, photography etc...534 followers | Follow
Courtney Bissette
In life you will meet two kinds of people. Ones who build you up, and ones who tear you down. But in the end, you will thank them both. - Author Unknown457 followers | Follow
Caitlin Bacha
propulsion engineer working @ NASA/Goddard. launched LRO and SDO. now designing GPM for launch in 2013!399 followers | Follow
Chuck Kesler
Husband & parent. CISO for a university healthcare system. Usually tweeting about space exploration & info sec. STS132 & Juno launch #NASAtweetup attendee.365 followers | Follow
Chris G - NSF
Learning Specialist at Daytona State College's @DSCUCF_WC; Assistant Managing Editor @NASASpaceflight.com; Exec Dir for @FHSMUN364 followers | Follow
(Luna)Chris
STS-133tweetup alum ♥'s all nature,arts,physics,aeronautics& green tech ✶⁺⋆₊⁺✧⋆⁺★* ⋆ NASA my homepage #Ispeakforme337 followers | Follow
Paul Thomas
Father; husband; clergy spouse; United Methodist; fan of NASA, LEGOs, Apple, and the Green Bay Packers. My tweets do not represent anyone's views but my own.285 followers | Follow
Jerry Wright
Gainfully employed in the endeavor of aerospace information amelioration. And stuff. Whatever I post here is my own opinion.236 followers | Follow
Erin Stephens
Space Shuttle Geek, Tweetup attendee want to be, pageant lover, Who Dat lover and 2 adorable nephews that I often tweet about! I am one blessed and happy girl!235 followers | Follow
Danny Deger
Fighter Pilot, Engineer, Astronaut Instructor, Daddy, Author of Houston, You Have a Problem223 followers | Follow
Max-Q Entertainment
We specialize in spaceflight videography and photography.216 followers | Follow
Stacy Cusack
I am the Group Lead of the Space Station Training Leads at NASA's Johnson Space Center.211 followers | Follow
Charles Mojica
Avionics Technician, Aerospace student to-be, Spaceflight and exploration enthusiast, audiophile, anime and manga otaku, J-pop lover.205 followers | Follow
Charles Galles
Private pilot, Space and aviation geek, speech scientist, software engineer, iPhone Developer, Dad, Husband, Biker198 followers | Follow
FloridaDolphinTours
We are THE experts for the full Florida experience! Dolphin and manatee swims & beaches & airboats & gators & shopping & luxury transportation to all excursions195 followers | Follow
Rocketopia
A brand new company founded by @flyingjenny in order to pursue exciting space-related projects.176 followers | Follow
ronsmytheiii
154 followers | Follow
Scott Reed
Hi I'm Scotty I'm in a wheel chair ,Its aways My dream i can talk NASA or with others NASA crews someday now with twitter i can do that125 followers | Follow
NASA Television
NASA TV provides live coverage of the agency's space exploration activities. You can watch via satellite, apps and online. Schedule: http://go.nasa.gov/NTVsched125 followers | Follow
CausewayTweetup
Tweeting from NASA Causeway July 8, 2011, covering @NASA launch of Atlantis & #FinalFour Astronauts @Astro_Ferg @Astro_Doug @Astro_Sandy @Astro_Rex110 followers | Follow
Dixie Crossroads
Official Twitter for Dixie Crossroads Seafood Restaurant. Come on in for some delicious food and fast & friendly service.86 followers | Follow
INFINITY Center
The newest regional attraction to engage the next generation of explorers.51 followers | Follow
Kirai Neko
Endo Nurse who enjoys reading, listening to music, traveling (which haven't done in some time). If I don't get twitter it will be disconnected.7 followers | Follow
