Check out 5 MORE mysterious UFO sightings that just can’t be explained, in this The Proof Is Out There compilation.

Newly declassified 1949 Los Alamos records detail scientists’ baffling encounters with bright green “fireball” phenomena.

It’s a real space oddity. Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased photographs showing what appear to be giant monolith-like structures on the moon — and the images may go public soon.

It's the latest release after President Donald Trump signed an executive order mandating that the Pentagon be more open with the public about UFOs

Trump’s latest UFO files reveal a secret 1949 Los Alamos meeting where top scientists failed to explain mysterious green fireballs.

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for revealing your mystery object.

NASA UAP research confirms no alien contact despite administrator comments - here's what the official record actually says about unexplained imagery.

Avi Loeb's scientific advisory council has requested over 50 Pentagon videos and documents related to UAP sightings under a new transparency push.