When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

E.T. the Extra-Terrestrial was a global phenomenon that spawned many knockoffs, with films like Purple People Eater, Badi, ...

Splitting up with his wife left Muse frontman Matt Bellamy in a dark place. He survived by writing the most exposed, personal ...

What happens if scientists find evidence of extraterrestrial intelligence? That question was at the center of a recent SETI Live discussion about newly updated post-detection protocols and how ...