Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” – Arthur C.

One pilot's offhand description in 1947 started a national obsession that never quit.

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

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 ...

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

Sightings of these peculiar fish have become more frequent in UK waters in recent years, possibly linked to warming sea ...

Be sure to check out the McMenamins UFO Festival this week. Along with featured speakers, the festival includes nightly dance parties, costume contests and more. The event begins Thursday and runs ...

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

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from ...

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

A recording of a 1952 Air Force briefing on the 'Invasion of Washington' UFO incidents may soon be released, potentially ...

Extraterrestrial visitors are not only already here – they are landing in a top secret “alien airport” hidden away in the ...