On Feb. 21, 1931, Germany launched its first liquid-fueled rocket … sort of. See how it happened in our On This Day in Space video series!
In low Earth orbit's growing "space junkyard," new technologies could reduce the risk of collisions.
Mars ducks behind the crescent moon's lower limb in this photo from the lunar occultation on Tuesday (Feb. 18).
While the cold, dry, radiation-blasted surface of Mars is widely considered to be uninhabitable, the subsurface may be a very different story.
The Breakthrough Listen SETI project has scanned the interstellar Comet Borisov for "technosignatures" but come up empty so far.
The new moon occurs Sunday (Feb. 23) at 10:32 a.m. EST (1532 GMT), three days after a waning crescent moon makes a close pass with Saturn and four days before a close pass with Venus.