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

The belief that aliens have visited Earth and may even live among us is not a new concept; it has persisted for centuries. But now this notion is gaining unprecedented traction in the U.S. and abroad, ...

The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not ...

INDIANAPOLIS (STACKER) — 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 ...