The alien known as Harry Vanderspeigle first arrived in Earth’s atmosphere with a simple mission. He was supposed to deliver a machine designed to destroy humanity (but not the planet or any other ...

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, ...

WASP-39b is now the best-explored planet outside the solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A boiling Saturn-like planet ...

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 ...