The night was warm and muggy over New Castle Air Force Base in Delaware, the kind of heat that clung to the metal skins of the alert fighter jets lined along the runway.

Scientists who once rolled their eyes at flying saucer stories are now treating strange things in the sky as a serious research problem, not a punchline. Across government, academia and private ...

More than 8,000 UFO sightings have been reported in the US in the past three years - mostly near military bases. A new report from crowd-sourced close encounter app Enigma found many were spotted in ...

A Pentagon study released Friday that examined reported sightings of UFOs over nearly the last century found no evidence of aliens or extraterrestrial intelligence, a conclusion consistent with past U ...