Callao Man was shorter than four feet and was just as comfortable climbing trees as it was walking on the ground.

"The ice is receding, and polar bears (are looking) for new ways to survive and the easiest way is coming to people."

While the pigs weren't reanimated by any means, they did have significant cell function in their brains restored hours after they died.

During World War II, Dietrich von Choltitz claimed to have disobeyed Hitler's orders to burn Paris to the ground. But where does the truth lie?

Now, with preserved liquid blood in hand, these scientists are eager to clone this extinct species back to life.

This prehistoric quadruped discovered on the coast of Peru was similar to a modern-day otter or beaver — except 13 feet long.

The 36-year-old brown bear is the only female inmate and the only one serving a life sentence.

21-year-old Sanjay Bahe was doing routine repair work one second and had an iron rod impaling his head the next.

One of the victims had their skull placed by their feet. Another had her feet cut off and her arms tied behind her back.

"We just saw her small head but if the ripples were bigger, I think we probably wouldn't have noticed her at all."

Beverley Allitt, also known as the "Angel of Death," killed several children under her care. Her Munchhausen's by Proxy syndrome had gotten out of hand, right as she became a nurse.