Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

A throwaway line about Vulcan sparked decades of debate, until one clever theory finally made it official canon.

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

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 ...

The possibility of life on other planets is one of the biggest mysteries in science. But what would happen if we actually found it? Our scientists are preparing for this possibility by helping to ...

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

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

'Do all aliens really need sunlight?' ...

Learn how a new model shows how waves form on alien oceans, revealing that gentle winds could create massive swells on Titan, ...

Twelve humans were selected for a mission unlike anything in history—traveling 40 light years to an alien world. But what started as peaceful exchange quickly turned disturbing when one crew member ...