Time and again, humans' interest in the unknown has given rise to theories -- while some became religion, others were termed ...

Cities with the most UFO sightings in California. When pilot Kenneth Arnold took off from Chehalis, Washington, in his single-engine airplane one afternoon in June 1947, he was looking for a lost ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MISSOURI – When pilot Kenneth Arnold took ...

A new report details that the number of sightings of Unidentified Anomalous Phenomena is increasing as enthusiasts are searching for a chance to connect with the outrageous mysteries of the universe.

When pilot Kenneth Arnold took off from Chehalis, Washington, in his single-engine airplane one afternoon in June 1947, he was looking for a lost military aircraft that had crashed. But what he found ...