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

In 1994, students at Zimbabwe's Ariel School reported witnessing one of the most extraordinary UFO encounters ever documented ...

Depending on who you ask, the phrase “we are not alone” may feel a little less like science fiction these days, as the U.S. government continues releasing declassified files related to Unidentified ...

The US government released new files on Unidentified Anomalous Phenomena (UAP). Florida has the second most UFO sightings.

NASA administrator Jared Isaacman says declassified UAP files show real unexplained phenomena but no alien bodies or crashed ...

Famed astrophysicist Neil deGrasse Tyson joins Saturday TODAY to chat about this new book “Take Me to Your Leader: ...

The Pentagon released more declassified UFO files on Friday as part of a transparency effort ordered by President Donald ...

Among the newly public materials are accounts of glowing "green orbs," "fireballs," cigar-shaped objects, and unexplained ...

Cold War reports of mysterious rotating saucers; recent sightings of metallic elliptical objects floating in mid-air. Those and other reports of unidentified anomalous phenomena or UAPs — the military ...

Steven Spielberg believes in aliens. Ahead of his upcoming film Disclosure Day, the director recently spoke to the Associated ...