Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Some believe the Betz mystery sphere, a steel ball that a Florida family found on their property in 1974, is a piece of alien ...

Former US Air Force general linked to UFO research goes missing in New Mexico - Disappearance of Air Force veteran William ...

The US Defense POW/MIA Accounting Agency has been helping lead search efforts after a World War Two B-17 bomber wreckage was ...