The Milgram experiment tested its subjects' willingness to harm other people for the sake of obeying authority — and it ended with truly shocking results.

Abraham Lincoln had unusually close relationships with a businessman named Joshua Green and a presidential bodyguard named David Derickson. But was he gay?

How did wealthy heiress Patty Hearst become a violent member of a left-wing guerrilla group — that kidnapped her?

After suffering sexual abuse as a teenager and being forced out of the house, Aileen Wuornos engaged in sex work and eventually killed seven of her johns in 1989 and 1990.

Born in 1859 and shot dead at the age of just 21, Billy the Kid may have lived a short life, but it was filled with some of the most storied exploits of the Old West.

Was Jesus white, Black, or another race entirely? Go inside the complicated history of what color Jesus of Nazareth may have been.

In 1818, Mary Shelley published her classic novel about Dr. Frankenstein and his disturbing experiments with reanimation — but the stories of these seven scientists from history prove that reality can sometimes be stranger than fiction.

These six "experiments" by Unit 731 rank among some of the most horrifying war crimes ever committed — and they went virtually unpunished.

Though believers say that the prophet Moses, Paul the Apostle, and God Himself are the main authors who wrote the Bible, the historical evidence is more complicated.

Construction on California City started in 1958, and its developer hoped that it would one day be larger than L.A. or San Francisco — but more than 60 years later, its population has yet to break 15,000.

Explore the haunting story of the Radium Girls, a group of women exposed to lethal amounts of radium while working in watch factories in early 20th-century America.