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. Breaking space news, the latest updates on rocket launches, ...

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 ...

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, ...

If aliens wanted to study Earth’s atmosphere, they’d have to wait for a lunar eclipse. This happens when the Earth moves between the Sun and the Moon perfectly enough to cast a shadow on the Moon.

The Alien series has been adapted into video games for decades with mixed success. The games often fall into two categories: either emulating the terrifying atmosphere of the original movie or ...

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 ...