The search for extraterrestrial intelligence (SETI) is mostly concerned with where to look for technosignatures from another ...

Cracks along a giant Martian volcano, possibly above a magma chamber, might be spewing magmatic gases into the atmosphere, ...

The tradition is inspired by the urban legend of the UFO that reportedly crashed in Carbondale in 1974.

Astronomers hunting for aliens find new way to work out when they would contact us - Work uses game theory to try and ...

The online reaction to Susan Dell’s White House appearance made that image explicit: commenters described her as “alien” or ...

Finding a signal from an extraterrestrial civilization takes more than just pointing a telescope in the right direction. We ...

Predator vs. Punisher #1 drops a hunter from beyond the stars into New York's underworld, where Frank Castle and the crime bosses all become prey.

From the classic alien tale Solaris to the modern masterpiece The Three-Body Problem, these sci-fi books are genuinely ...

(Kevin Gill/Flickr/CC BY 2.0) Mars has undergone some monumental PR shifts over the past few centuries. Once thought to be criss-crossed with canals created by an untold alien race, it has since been ...

It's one of the biggest unanswered questions in science - if there are aliens out there, where are they hiding? Now, ...

By modeling the James Webb Space Telescope’s tiny movements, a new technique can reveal up to 15 times fainter alien worlds ...

Earth would be terrifying if we celebrated Halloween every 11 hours, a possibility on a super-Earth investigated by the JWST, ...