A conservative US Catholic nun has warned that every UFO sighting and supposed alien encounter may in fact be a brush with ...

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

For decades, people who reported UFO sightings have described encounters with mysterious visitors dressed entirely in black.

When your Airbnb comes with its own special effects budget, you know someone’s committed to the full experience. Photo Credit ...

The book Flying Saucers from Outer Space, written by author Donald E. Keyhoe in 1953, was the first to use the term “UFO." ...

The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an answer as publicly or as controversially as Harvard astrophysicist Avi Loeb ...

Catholic nun warns many UFO encounters may be demonic as disclosure debate grows and questions surround the Church's response ...

On a clear summer day in 1947, businessman and civilian pilot Kenneth Arnold saw something strange in the sky.

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Imagine finding hundreds of alligators living happily in Colorado, which is thousands of miles away from any natural swamp.

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...