Astronomers have spotted the smallest "rogue planet" candidate yet known, a Mars- to Earth-mass world that apparently cruises through our Milky Way galaxy unattached to a star.
General Motors may not have designed its first all-electric pickup truck to drive on the moon, but the first edition of its new GMC Hummer EV has a definite lunar look.
An innovative artificial intelligence (AI) tool developed by NASA has helped identify a cluster of craters on Mars that formed within the last decade.
On Oct. 29, 1991, the Galileo spacecraft flew by the asteroid Gaspra on its way to Jupiter. See how it happened in our "On This Day In Space" series!
As humanity ramps up its search for alien life, we should keep in mind that E.T. might be hunting for us as well.
Two dozen alien worlds may be as good as or better than Earth for life as we know it, a new study finds.
Algol, also known as the Demon Star, is quite possibly the most interesting star in the fall and winter skies, if you know when to look for its brightness changes.
This Friday (Oct. 30), "Space Chat" will explore water on the moon, following the landmark discovery announced earlier this week.
If NASA's long-silent Opportunity Mars rover could phone home one last time to sing a sweet, sentimental song to its Earthly overlords from its dusty grave, it might go a little something like this.