A rancher's nightmare, the mysterious murder of livestock has plagued farmlands worldwide for generations. Commonly known as cattle mutilations.

Beginning in the 1960s, thousands of UFO landings, flyovers and collisions have left scientific evidence behind for study. These events have become known as the "trace cases."

According to ufologists, the Grays beings from another world abduct humans, implant devices, and conduct reproductive experiments.

Legends from China tell of 716 mysterious stone discs, known as "The Dropa Stones." Some believe the stones hold secrets about ancient contact with extraterrestrials.

Delve into the aftermath and repercussions of the 1947 Roswell incident, when many believe an alien spacecraft crashed in New Mexico.

They look to the stars, to Earth, and within the human body. They are the UFO research elite that seek answers to the mysteries of the UFO phenomenon. Their determination, attitude, and methodologies stand strong against ridicule and disbelief. In the end, UFO hunters exhibit scientific evidence that pushes the boundary of modern-day thinking. At annual conferences, they share findings and are often stunned by the commonality of their cases. Follow UFO hunters as they search for UFOs and investigate crash sites. Their hunts for physical evidence of UFOs and alien life forms sometimes end up as global wild goose chases, but there are other times, when what they find is just too intriguing....and might just prove that it is possible that we are not alone in the universe.