Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents preserved fragment of ancient planetary system ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

UFO believers back Steven Spielberg's claims that extraterrestrials may already be living on Earth. As evidence, he cited "the circumstantial evidence that I've gathered throughout my whole life, ...

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

Avi Loeb, an astrophysicist, cautions that our planet is threatened by both Earthly and cosmic risks, such as objects like 3I/ATLAS. X / Dr. John Brandenburg @PhdBrandenburg Avi Loeb has suggested ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

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

It was a close encounter of the Schiff kind. President Trump made an out of this world jibe when he was allegedly briefed on ...

Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...