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, ...

The first-ever analysis of the atmosphere of an alien planet classified as a so-called "super-Earth" has revealed a distant world that is likely covered with either water vapor or a thick haze, ...

Astronomers using the James Webb Space Telescope have made the first 3D map of an alien planet's atmosphere, revealing extreme temperature swings on the exoplanet WASP-18b. When you purchase through ...

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 ...