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 ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

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

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

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.

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 recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

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 ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...