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

Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.

Over a decade ago, I was a public official and was at one of our commission meetings on the coast of California. A fellow commissioner and I decided to take a long lunchtime walk along the coast. As ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...