The belief that aliens have visited Earth and may even live among us is not a new concept; it has persisted for centuries. But now this notion is gaining unprecedented traction in the U.S. and abroad, ...

President Donald Trump on Thursday night announced that he is ordering the Pentagon and other US departments and agencies to identify and release government files related to extraterrestrial life, ...

Add Yahoo as a preferred source to see more of our stories on Google. At a time of mounting public interest in UFOs, the SETI Institute is looking not to Earth to find signs of advanced alien ...