The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth. Using data from the James Webb Space Telescope, researchers reported ...

This is the story of a mysterious finding in New Hampshire, pieced together from the incident summary sheet and official ...

There’s something grating about finding out that the customer service representative on the other end of the line is an AI ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

From flying saucer sightings to an Air Force-funded study at CU Boulder, the city played an unexpected role in America's UFO ...

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

Efrem Rigotti actually just wanted to find his car keys. Instead, he came across a mysterious object. Now it's clear: it's from outer space.

An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is ...

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified ...

The search for extraterrestrial intelligence may face an unexpected obstacle due to the influence of mother stars that ...