If you're a skeptic, these UFO sightings will convince you that the truth is out there—and it may not be from Earth.

Add Yahoo as a preferred source to see more of our stories on Google. Aliens and UFOs have been in the news lately after Barack Obama mentioned in an interview that aliens were real. He later made it ...

A popular UFO-reporting app, Enigma, has reportedly logged thousands of mysterious underwater sightings—dubbed Unidentified Submersible Objects (USOs)—raising national security concerns among experts.

Harvard scientist Avi Loeb says humans are not at the cosmic top table and calls for full release of UFO data, arguing that ...