A top scientist has suggested that aliens may be 'terrified of Earth' not because of humanity, but due to a bizarre cosmic phenomenon known as time dilation, which could leave any interstellar visitor ...

What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past? This video explored the ancient alien theory through the lens of the Fermi ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

If you are a believer in visitors from outer space, this is your moment. The feds have declassified UFO files, there is a new documentary on alleged UFO sightings, and, of course, the new Steven ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is unlike anything ever before seen in our cosmic backyard, ...

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 ...

A traditionalist Catholic nun has claimed that UFO sightings are really encounters with 'fallen angels', aligning with ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Observations suggest comet spent billions of years on ‘vast unimaginable trajectories’ around our galaxy ...