A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

MORE: I'm a pastor who attended a secret UFO disclosure meeting. We saw images of 'translucent beings' that chilled me to the bone A former CIA scientist has claimed that there are several alien ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Unidentified aerial phenomena (UAPs) have resurfaced at the centre of online discussion after a widely shared interview revisited reports of supposed 'non-human' life linked to recovered unidentified ...

New claims that the United States has recovered remains of four separate species of alien life are sending shockwaves throughout the UFO disclosure movement, further drumming up conversations ...

Another batch of "UFO Files" have been dropped by the Pentagon, featuring previously classified documents, audio and footage of strange objects in the sky. The new release comes two weeks after the ...

It was the late 1950s when Ruben Uriarte saw his first UFO — a silvery, oval-shaped object hovering by the Oakland foothills. “I thought maybe it was a blimp, because it was just hanging there. I ...