U.S. Intelligence Officer David Grusch said the military has been collecting unidentified foreign craft for "decades."

College basketball star Len Bias seemed destined to be the next Michael Jordan — then he died of cocaine-induced cardiac arrhythmia just two days after signing with the Boston Celtics in 1986.

Stretching hundreds of miles across the Western Front, millions of soldiers fought in trenches during World War I — with horrific physical and mental consequences.

The ancient cocktail was consumed by a cult dedicated to the deity Bes, who served as a protective spirit, particularly to mothers and children.

In 1978, Billy Milligan became the first person to successfully use multiple personality disorder as a legal defense, though the debate surrounding his condition turned the case into a hotly-debated spectacle.

After a year of robbing banks, John Dillinger died on July 22, 1934, when federal agents shot and killed him as he left a movie in Chicago, Illinois.

The bones belong to the gomphothere, a distant relative of modern elephants that roamed the earth for millions of years before being hunted to extinction 12,000 years ago.

Lisa "Left Eye" Lopes was the heart of TLC and one of the top rappers of the 1990s before she was tragically killed in a car crash in Honduras.

Before he stormed Hollywood, Arnold Schwarzenegger made his name as a bodybuilder in his native Austria and then in Southern California's vibrant Muscle Beach scene of the 1970s.

The petroglyphs extend across 50 feet of the rock's surface, with some as long as 13 feet and others only a few inches.

The tracks, which were discovered near the southern tip of the African continent, are approximately 153,000 years old.