When pilot Kenneth Arnold took off from Chehalis, Washington, in his single-engine airplane one afternoon in June 1947, he was looking for a lost military aircraft that had crashed. But what he found ...

The Trump Administration has released a fresh wave of UFO files, including the moment a US fighter jet appeared to open fire and shoot down a mysterious object flying in American airspace in a fiery ...

Add Yahoo as a preferred source to see more of our stories on Google. Man sees a strange object in the sky UFOs have become almost inseparable from the idea of aliens, but science treats those two ...