A Catholic nun made a startling assertion about UFOs, cautioning that purported alien encounters are in fact a menacing ...

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

One unexpected choice in the Alien franchise's best prequel breaks a big rule of spinoffs by shattering franchise continuity, ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

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

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

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

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