Archaeologists have uncovered the skeleton of a warrior in northern Italy from the 6th century who after having his hand amputated, used a knife as a prosthetic hand.

Gambino soldier Roy DeMeo and his deadly crew of killers used their chilling "Gemini Method" to murder untold dozens of victims throughout the 1970s and early '80s.

To his family and neighbors in suburban New Jersey, Richard Kuklinski was an all-American husband. To his victims, he was a terrifying murderer known as "The Iceman."

In 1980s California, Dorothea Puente's house was a den of theft and murder as this terrifying landlady killed at least nine of her unsuspecting tenants.

Researchers found 12 ancient hepatitis B genomes, including one variation of the virus that's now-extinct.

After 16-year-old Ethan Couch pleaded guilty to four counts of manslaughter in 2013, his attorneys argued that he shouldn't have to go to prison because he grew up so wealthy that he'd never been taught that his actions have consequences.

Have you ever stood on a ledge, mountaintop, or other high perch and experienced an intrusive feeling to jump? It's known as the call of the void, and there's a very logical reason for it.

Juliane Koepcke was aboard LANSA Flight 508 on December 24, 1971 when it was struck by lightning, causing her to plummet 10,000 feet to the Amazon rainforest below.

The Greek historian Herodotus wrote that it took 100,000 men 20 years to construct the Great Pyramid of Giza — but how exactly did they do it?

Peter Sutcliffe claimed to be on a mission from God as he killed 13 women and evaded hapless police on nine separate occasions while committing the Yorkshire Ripper murders.

According to the Project Blue Beam theory posited by Serge Monast, NASA and the United Nations are trying to establish a totalitarian, one-world government — but is there any proof?