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

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.

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

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

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 ...

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 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 ...

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...