A new line of research proposes that the first clear signs of extraterrestrial intelligence may not come from distant stars, ...

Astrophysicist Neil deGrasse Tyson has challenged the US government to move beyond hearings, testimony and document releases ...

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a ...

Between the mid-1970s and early 1980s, two physicists, Michael Hart and Frank Tipler, published a controversial series of papers arguing that extraterrestrial intelligence didn't exist. As they argued ...

Asked when they humans will likely have contact with extraterrestrials, an eye-popping 21% said, “We already have,” according ...

There's no conclusive evidence of alien life or government cover-ups. But the files released Friday by the Pentagon reveal ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

The Pentagon on Friday released a third batch of vintage classified files related to “flying saucers” and other unidentified ...

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