For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a ...

Are we alone in the universe? The astrophysicist doesn’t think so ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) ...

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Over the past decade, scientists have come up with a variety of frameworks to guide ...

Steven Spielberg’s Disclosure Day may be grounded in some truth after all. Fans have long believed that the movie was made to ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

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 ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...