A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

A research team has developed a new approach to detecting life beyond Earth that does not rely on identifying specific ...

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

Behind the acid blood and jump scares of the Alien franchise is an even more insidious horror: a single employer with ...

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 ...

Mike Luckovich is the award-winning editorial cartoonist for The Atlanta Journal-Constitution. He has twice been recipient of the Pulitzer Prize for editorial cartooning, in 1995 and 2006. He was a ...