A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

3I/ATLAS is not just another comet drifting by. This object likely formed around another star, may be older than our Sun, and is now showing signs of disintegration in real time. In this video, we ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically different from anything known to have ever formed around our sun ...

A newly discovered interstellar object, named 3I/ATLAS, is moving through the solar system fast enough to prove it came from ...

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 ...

To date, humanity has discovered over 6,200 confirmed exoplanets, or planets outside of our solar system, according to NASA's ...

The USA released the alien files, revealing declassified accounts of UAP and UUFO events, and there's parallels there with ...

Scientists are using advanced telescopes, models and AI to help them look for signs of life beyond Earth, including in distant solar systems.

ALMA reveals unusual “alien” water in interstellar comet 3I/ATLAS, showing it formed in an extremely cold, distant star ...

What is behind the surge in ufology? The recent spike can be traced to the top of the US government, which inspired me to start investigating ...

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