Two months ago, scientists detected something strange entering our Solar System, raising questions about whether it is a ...

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

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

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

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

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

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

From Alien to Jurassic Park, these iconic sci-fi movies are the very definition of cinematic perfection, remaining ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns. However, no solid evidence supports these assertions.

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...