The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common ...

The Alien franchise has made some divisive choices in the 40 years since the release of Aliens in 1986, but this far-reaching fan theory has a fantastic explanation for these controversial events.

A leading biological anthropologist has proposed that the mysterious beings behind countless UFO sightings could be time-travelling humans from Earth's future, returning to monitor their ancestors as ...