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

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

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

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

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 ...

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

Neil deGrasse Tyson urges the US government to provide concrete evidence of extraterrestrial life, arguing that popular ...

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of ...

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

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.