Are we alone in the universe? That tantalizing question is hard to ignore these days, as the Pentagon openly discusses unexplained flying metal orbs and people report unidentified objects in the sky.

Add Yahoo as a preferred source to see more of our stories on Google. Lucia Gillot, 61, recalls her unforgettable encounter with a mysterious figure on the Llŷn Peninsula - Lorne ...

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There's the invasion by a warlike ...

Devils Tower, Wyoming (CNN) — The buzz started in a hay meadow at the foot of a mysterious-looking geological formation. Helicopters and trailers arrived in large numbers, famous faces and a ...

See more of our coverage in your search results. Add The New York Post on Google Congresswoman Anna Paulina Luna detailed a bizarre UFO encounter involving an “airspace incursion” that left an ...

Newly-released information from a shadowy Pentagon program details how unexplained phenomena continue to puzzle officials.

Advisers from the Trump administration's UAP Science Advisory Council suggest that many recent UFO sightings of glowing orbs may be explained by laser-generated plasmas.