Aliens, cryptids and unidentified flying objects such as Mothman and the Flatwoods Monster all have a supposed history of ...

For centuries, religious traditions like Catholicism have viewed extraterrestrial life as a valid theological topic rather than a contradiction, openly discussing the concept for generations.

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

A Catholic nun believes humanity is on the verge of a supernatural battle.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

In the 21st century, the theories regarding the existence of aliens refuse to dial down. Now, the recently resurfaced NASA photo of Martian planet has gone viral on various social media ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

Disclosure Day has plenty of UFOs and extraterrestrial species but very little of the human insights found in the filmmaker’s ...

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

A study suggests that stellar plasma may distort alien signals, complicating SETI's search for extraterrestrial life by ...