The US government has been sharing more information about UFOs. That's fueling excitement over the possibility of the president announcing that humans are not alone. Twenty years later, the former is ...

Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as he argues that humanity may be the only intelligent life in the universe.

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...