Red wolves were officially declared extinct in the wild in 1980, and conservationists have been working for decades to bolster their numbers.

Chris Kyle is undoubtedly one of the most decorated — and deadliest — snipers in American history. So why did he exaggerate so many of his heroic stories?

Gregory Forth has collected more than 30 eyewitness accounts that the "Hobbits" are still alive on the Indonesian island of Flores.

After a neighbor named John Favara accidentally ran over Frank Gotti, the middle son of Mafia boss John Gotti, the man vanished forever without a trace.

The 49 rooms unearthed in the subterranean city of Matiate make up only three percent of its estimated total area.

Scientists tested the DNA of modern-day members of the Muwekma Ohlone Tribe against remains dating as far back as 2,000 years and found a high level of genetic continuity.

After serving 40 years in prison, Charles Manson died on November 19, 2017 — but the strange fight over his corpse and his estate was just beginning.

Also known as Ip Man, Yip Man was a renowned teacher of the Chinese martial art Wing Chun — and Bruce Lee was his best student.

On January 2, 2000, Zebb Quinn ended his shift at Walmart and left with a coworker named Robert Jason Owens, never to be seen again. It would be 17 years before police would finally uncover evidence suggesting Owens had killed him.

Convicted criminals sentenced to die by scaphism would endure weeks of torture thanks to little more than some milk and honey, a pair of boats — and swarms of hungry vermin.