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

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

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

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Base editing, the process used to make the changes, only nicks one strand of DNA, avoiding the major DNA errors that made ...

When I look at the night sky, I don’t wonder whether alien life is somewhere out there; I think it probably is. Considering the sheer number of stars in the cosmos, and the possibly larger number of ...

From Interstellar to 2001: A Space Odyssey, these are the best hard science-fiction movies, ranked.

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

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Former U.S. Representative Matt Gaetz has said he was briefed by a United States Army member on a secret breeding program between aliens and humans. Speaking on right-wing podcast The Benny Show, ...

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

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 ...