The first world you might encounter is Numina, and stepping into it feels like tumbling into a bioluminescent wonderland.

This article contains spoilers for the Alien: Earth Season 1 finale. Who are the real monsters on Alien: Earth? That’s literally the title of the final episode of Season 1, “The Real Monsters,” but it ...

Deep within massive rocky exoplanets, hidden oceans of molten rock may be generating powerful magnetic fields in an ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

New research shows that craters near the moon's south pole that have been in permanent shadow the longest are more likely to ...