Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some have already been found. Thanks to rapidly advancing telescope technology, ...

Astronomers discovered the TRAPPIST-1 system, a family of tightly packed planets swarming a red dwarf star, about eight years ago. Credit: Mark Garlick / Science Photo Library / Getty Images ...

Alien life on a new planet “may not have DNA like humans but might walk on two legs”, experts have revealed. It follows the discovery of an extraterrestrial world around 120 light years away from ...

It’s the ultimate game of find a needle in the haystack. One NASA scientist is betting on AI to help expedite the search through billions of planets. As a computer scientist in Silicon Valley, Hamed ...

Some 25 million radio signals were detected, but all were eliminated by a clever computer code as terrestrial radio frequency interference. When you purchase through links on our site, we may earn an ...

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some of the strangest exoplanets that scientists have discovered so far. When you ...