To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

A newly discovered “super-Earth” planet could allow us to finally see alien life, researchers say. The world – named GJ 251 c and lying less than 20 light years away – is thought to be a “super Earth” ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Illustration of the Earth-like exoplanet Proxima Centauri b orbiting the star Proxima ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...

Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit.

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

“The odds that we find something on Mars or Europa are high,” said Jack Pallotto, senior in LAS and president of the Astrobiology Club. “But whether I’ll be there? That’s a different question.” Here ...