The Smithsonian has just relinquished its claim on hundreds, if not thousands of space artifacts.
In September 2019, NASA started the second half of an epic game of Marco Polo; early this month the agency declared it over for good.
In a historic first for satellite operations, one spacecraft "helper" docked with a working satellite to provide life-extension services.
As the hunt for life on Mars starts getting into full swing, some scientists are already looking beyond the Red Planet, to our solar system's next astrobiological frontier.
While the cold, dry, radiation-blasted surface of Mars is widely considered to be uninhabitable, the subsurface may be a very different story.
Tonight (Feb. 27), as darkness is falling, be sure to look toward the west-southwest sky to spot another beautiful celestial tableau formed by a lovely crescent moon and the brilliant planet Venus.
Strap yourselves in as "Star Trek: Picard" accelerates from impulse drive to warp factor four with the longest episode yet – and the best we've seen so far.