Name a planet after Daenerys, Carl Sagan, or HAL 9000.
The meteor shower is happening right now, but will be at its most brilliant on Wednesday night.
"The greatest nation on Earth should not be dependent on others to launch humans into space."
3D space videos? The future is here!
The mysterious side of the satellite is revealed in all its glory.
Curiosity celebrates three trailblazing years on the Red Planet on August 6.
These amazing moons, asteroids and dwarf planets are far smaller than you imagined.
This tiny, tiny spacecraft could find water and other resources on the Moon.
NASA’s Spitzer Space telescope just confirmed that a newly discovered exoplanet is indeed the closest rocky planet to orbit a star...
Last week, some of the greatest minds in science announced the Breakthrough Listen initiative, undoubtedly the greatest attempt yet...
Astronomers have only seen similar surfaces on active planets, like Earth or Mars.
The planet is in its star's habitable zone, and there's a "better than even" chance that it's rocky.
If you haven't heard, Pluto is really, really tiny.
After a long and suspenseful saga, Philae has fallen silent once again. The lander, which touched down on a comet at November 12 of...
NASA's groundbreaking mission revealed carbon monoxide ice in the heart-shaped structure.
Pluto may be host to water ice structures as large as the Rocky Mountains.
Even when it was officially a planet, Pluto was always the underdog, as it was the smallest and furthest away of the nine planets in...
New Horizons has traveled 3 billion miles to make its closest approach to the former ninth planet.
New Horizons switches into "flyby mode" for its July 14th close encounter.
New Horizons will make its approach to our former ninth planet on July 14.