Earth" brought a shipload of xenomorphs and other space horrors, but hybrids may be the biggest mystery of the show so far.

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

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

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

One of the longest-running sci-fi movie franchises made its television debut in 2025, and its first series has done something ...

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

The possibility of life on other planets is one of the biggest mysteries in science. But what would happen if we actually ...

A mysterious object whizzing through our solar system is just two weeks from revealing its true identity. And a Harvard boffin has warned that it could be a malicious alien spaceship disguised as a ...

HONG KONG - China's Shenzhou-21 astronaut crew will stay in space for an extra month, after careful consideration from ...