3I/ATLAS is not just another comet drifting by. This object likely formed around another star, may be older than our Sun, and ...

For years, the idea of aliens was treated like a joke, a conspiracy, or something impossible to prove. But new evidence and ...

The Pentagon on Friday released online what it called “new, never-before-seen” files, dating back decades, related to ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines a very different kind of solar system that could harbor life-forms we haven ...

If Project Hail Mary left you craving more space adventures, these 15 books deliver just that.

NASA's Curiosity rover took this selfie at a site on Mars where it drilled a sample to search for organic molecules in October 2020. Credit: NASA / JPL - Caltech / MSSS Scientists know those ...

NASA has found a hidden lake deep beneath Antarctica. The lake has a unique chemistry far more like Mars than Earth. What is ...

The Mars Moons eXploration spacecraft will fire its thrusters to maneuver into orbit around Mars (depicted in this digital art). JAXA. Mars has been studied and scrutinized more t ...

The Department of War just dumped a huge batch of UFO files, but does it have proof of aliens? Here's what we make of it.

A new website housing documents the Pentagon is releasing on UFOs has a retro feel, with black-and-white military imagery of flying objects displayed prominently and statements in typewriter-like font ...

NASA’s Curiosity rover has identified seven new organic compounds on the planet Mars, according to new research published in Nature Communications. The researchers believe this organic matter may have ...