Former intelligence officer David Grusch's testimony before Congress about recovered unidentified craft and 'non-human biologics' has reignited global debate on UFOs.

A strange UFO sighting in Susa Valley, Italy, leads to the construction of Sacra di San Michele, and according to theorists, ...

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

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Steven Spielberg's new film “Disclosure Day” explores extraterrestrial life and its impact on religion. UFOs, now also called UAPs, are gaining mainstream attention.

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate alien craft-retrieval programs — ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...