After Donald Trump ordered the release of all UFO-related files, an archive containing declassified US government files on the matter disappeared overnight. Black Vault is the place where the general ...

"We’ve got our people working on it right now,” said the U.S. Defense Secretary.

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Almost four million files were wiped from an online archive just hours after Donald Trump ordered the release of UFO-related ...