News from NASA. We typically post in Eastern Time (ET). To convert to UT/GMT, add 5 hours (4 hours during Daylight Saving Time).
The Kepler Mission is designed to survey our region of the Milky Way galaxy to discover Earth-size planets in the habitable zone.
Ames Research Center (Silicon Valley) enables exploration through development of innovative technologies and interdisciplinary scientific discovery.
Space entrepreneur. Orphan of Apollo. A Founder of the International Space University, Singularity University, SEDS, Space Generation & Moon Express (CEO).
The space topic hub for @Discovery_News. All things astronomy, physics, cosmology, spaceflight, NASA, exoplanets & more! (Administered by @astroengine.)
I'm the Planetary Society blogger, once a planetary geologist, now a writer and mom, writing about great space images and mission news.
The First Space Mission to Explore Planet Pluto and the Kuiper Belt
News coverage and conversation about space science, astronomy and exploration
The official Google Lunar X PRIZE Twitter account. Going back to the moon, and taking you with us.
A humanoid robot designed to work side by side with humans, or go where the risks are too great for people.
@NASAGoddard is home to great images and videos. We Tweet the very best of them to you! Find us on @Instagram at @NASAGoddard.
X PRIZE, Singularity Univ, Abundance, Rocket Racing, Space Adventures... Passionate about space, innovation and creating a world of Abundance.
The Essential Magazine of Astronomy. Sky & Telescope is the world's leading compendium of information about the science and hobby of astronomy.
An international news and information network dedicated to the space industry.
NASA: Human Exploration and Operations Outreach Manager. Inspire others with the drama & magic of space. Turn off TV. Watch heavens unfold.
HighResolution Imaging Science Experiment on Mars Reconnaissance Orbiter (MRO). Taking beautiful 25 cm/px pics of Mars 24/7. Request your own images w/ HiWish!
Discovery News Space Producer. Recovering British solar physicist. Enjoys good beer, prefers tea. Toast & butter advocate. Hairy Atheist. 2012 doomsday debunker
Former Space Shuttle technician. Artist, photographer, inventor. Space Tweep Society founder, @FragileOasis contributor, and 2010 Shorty Award winner.
Blueshift: Bringing the Universe down to Earth with podcasts, blogs, and more!