K2-18 b is one strange place. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have detected water vapor in the atmosphere of K2-18 b, ...

We may find alien life on a planet unlike any place in our Solar System — and we may find it soon. A huge planet called K2-18b has methane and carbon dioxide mixed in with its mostly hydrogen ...

If there’s life on any of the habitable-zone TRAPPIST-1 worlds, JWST should be able to see signs of it in the planet’s atmosphere, a recent study says. The reverse is also true; if an alien ...

If intelligent alien civilizations exist in space, it's possible that we may find signs of their existence before we find the aliens themselves. A new study by NASA suggests that industrialized ...