When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Chinese researchers have captured the first-ever close-up images of the rare “mini-moon” that’s tracing circles around the ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

While 3I/ATLAS is definitely a comet, its composition and age have remained unclear. Now, astronomers have solved these ...

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

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

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

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

When War of the Worlds was adapted into a sci-fi series in the late 80s, the show made major changes to H.G. Wells' original ...

A gas giant 690 light-years from Earth forms mineral clouds on its cooler morning side every orbit, only to have them ...