A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Turns out the Nixon–Jackie Gleason alien legend is far from the only Hollywood close encounter.

Steven Spielberg once again made a movie that focuses on aliens coming to Earth, so it's probably worth watching some other ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

The exoplanet telescope TESS revealed a distant world using an entirely different detection method than the one it was built ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

"When TESS launched, no one expected it to ever be capable of finding this kind of planet." When you purchase through links ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

The Pentagon just released what they're calling never before seen UFO files, including videos, images, and original documents ...