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, ...

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, ...

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 ...

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 ...

Scientists think they've spied an alien world that lost its atmosphere — then conjured itself a new one. That's according to a new analysis of Hubble Space Telescope observations gathered in 2017 of a ...

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 ...

New research has debunked a 2020 study that claimed to have found the chemical phosphine, a potential biomarker for extraterrestrial life, in Venus' atmosphere. When you purchase through links on our ...