Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified phenomena. But there's no proof of aliens yet.

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

"Disclosure Day" director Steven Spielberg opens up to USA TODAY about aliens, AI and why he'll never quit making movies.

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

Even as the Trump administration continues to declassify government files on UFO sightings, the official position of the United States remains that no evidence has emerged proving the existence of ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.