The FBI has joined the search for retired U.S. Air Force Major General William Neil McCasland, a former senior military scientist who has been missing for nearly two weeks in Albuquerque, New Mexico.

A UFO whistleblower has made new claims about the missing Air Force general who vanished in February and his ties to UFOs.

A UFO researcher claims that he has spoken to 700 alien abduction survivors, and what they said helped him find religion.

Add Yahoo as a preferred source to see more of our stories on Google. Scientists are testing new UFO research methods in an effort to break the stigma surrounding the topic that has discouraged ...

Since the 1950s, humanity has been searching for extraterrestrial life with increasingly sophisticated tools. But after decades of space probes, meteorite analysis, radio telescopes, and UFO ...

LAS VEGAS (KLAS) — If you had an hour or so to spend with the president, what would you say to him? Las Vegas aerospace tycoon Robert Bigelow had a long list of subjects in mind, but the one at the ...