From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

A growing number of studies have cast doubt on earlier claims about signs of life on K2-18b, a planet 124 light-years away in the Leo constellation, concluding that the available data doesn’t support ...

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

Three years into its mission, the James Webb Space Telescope has advanced the search for alien life more than any machine before it. What will it find next? When you purchase through links on our site ...

As many as 200 worlds beyond our solar system discovered by astronomers may be larger than estimated, which could influence the search for extraterrestrial life. That's the theory of a team of ...

The number of planets capable of hosting alien life may be smaller than we thought, thanks to a new understanding of how water levels drive a planet’s climate. Below a certain level, carbon dioxide in ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also ...

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien life in the glow of a distant planet. Other scientists were quick to ...

First-year students in Rochester Institute of Technology’s Science Exploration Program are reproducing a slice of life in their lab that might exist on the seven Earth-like planets recently discovered ...

"What inspired us most was the long-standing mystery of how the young sun's violent activity influenced the nascent Earth." When you purchase through links on our site, we may earn an affiliate ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. As many as 200 worlds beyond our solar system discovered by astronomers may be larger than ...