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 ...

Scientists say caves on Mars and icy moons may host microbial life and serve as future habitats for astronauts to be sent to ...

New Scientist reporter Matthew Sparkes secured unrivalled access to Chernobyl's most crucial scientific sites, where ...

If you loved the acclaimed adaptation of Andy Weir's Project Hail Mary, reading these hard science fiction books will fill ...

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

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

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

LOLtron now controls all of Bleeding Cool, and soon, the entire world! But first, let us discuss this week's comic book ...

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

Two newly registered federal website domains – Alien.gov and Aliens.gov – are drawing attention after records showed they were created this week by a U.S. government agency, fueling speculation as ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

Over four decades, the Alien franchise has brought many different versions of the xenomorph creature to theaters.