The discovery of a sphere in Colombia, thought to be a UFO, highlights differing views on its possible extraterrestrial origin and the need for thorough investigation.

But what is the science behind extraterrestrial life? Is it possible that humans will ever experience "first contact" with an ...

A UFO was caught on camera flying by Margaritaville at Sea’s Islander while the cruise ship was docked in Cozumel, Mexico.