The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires ...

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

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

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

Life-forms made of stuff we couldn’t imagine may still be as conscious as we are.

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

Are we alone in the universe? Steven Spielberg and the cast of Disclosure Day don't think so. The team behind the sci-fi thriller extensively studied testimonies from people who claim to have ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

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

Emily Blunt, Colman Domingo, and Josh O'Connor share how their perspectives on extra-terrestrials and unidentified anomalous phenomena (UAPs) have changed since working on "Disclosure Day." Steven ...

We are not alone. RadarOnline.com can reveal four distinct alien life forms have been recovered from crashed UFOs, according to a former CIA-funded researcher. "People who have been involved in ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...