Tens of thousands of bizarre deaths and mutilations have happened to cattle, horses, goats, sheep, rabbits and others.

Grays are reputed to be responsible for abducting humans and mutilating cattle.

Hundreds of mysterious stone disks are found in a cave in China; some believe the stones are proof of contact with an alien race called the Dropa.

Retired Col. Philip Corso says that he was asked to examine the Roswell files.

Facts and myths surround Kapustin Yar.

The military creates disk-shaped aircraft.