New book identifies Black Dahlia killer, unusual ancient tradition may be spreading the plague in Madagascar, and the JFK assassination files contain surprising revelations.

"The pain became increasingly unbearable, so that I couldn’t even walk or sit."

From Columbus' voyage to the spark that set off World War I, these tiny lapses in judgment ended in some of history's greatest disasters.

Until the mid-20th century, colonial powers made these films to convince Africans that they deserved to be oppressed.

"I will never give up on him. Because love is selfless, and I love him more than life itself."

Legendary primatologist Jane Goodall says that after hearing stories from across the globe, she is open to the idea of the world's most famous cryptid.

"This is all crazy," said the victim. "They never explained anything to me."

Philosopher's mummified head put on display, St. Nicholas' grave found, possible Mona Lisa prototype identified, human radiation experiments revealed, "Band of Brothers" vet laid to rest.

From his stage presence to his fashion, Tom Petty electrified audiences for decades. These photos explain why.

Experts now seek to find out whether this sketch was the precursor to da Vinci's iconic painting.

Inside America's devastating, decades-long propensity for gun violence on a massive scale.