New research suggests scientists can search for life beyond Earth by studying patterns across many planets instead of relying ...

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

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

It’s not little green men with flying saucers and laser guns that scientists are worried about, instead our foes will be much ...

Reverse-engineering the billion-year-old enzyme nitrogenase clued researchers into how life originally formed on Earth — and ...

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and ...

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

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...