The window for the third crewed spaceflight of VSS Unity, Virgin Galactic's latest SpaceShipTwo space plane, opens on Dec. 11.
Tristan Eaton, a street artist whose creations lifted off on SpaceX's Crew Dragon, is now ready for his own launch: the sale of limited edition replicas of his space-flown "Human Kind" artwork.
The Martian underground may have been habitable billions of years ago even if the planet's surface was a dry, frigid wasteland.
Holding a pristine piece of Mars in a lab on Earth is among the most ambitious dreams of planetary scientists, and NASA and its European counterpart want to make the dream a reality.
A photo captured by amateur astronomer Alexander Krivenyshev shows two big sunspots on Earth's star.
See what's up in the night sky for December 2020, including stargazing events and the moon's phases, in this Space.com gallery courtesy of Starry Night Software.