Only 30 vaquita porpoises remain and there's no sure way to save them.

Check out some astounding vintage tattoos in this collection of history's coolest photographs of people displaying their ink.

Did this vintage U.S. propaganda invent the mass choreography of fascism?

Do you have the same favorite dish as Pope Francis, Donald Trump, or Vladimir Putin?

The "Bowling Green Massacre" never happened. It is an "alternative fact."

The pioneering yet often overlooked career of Jeannette Rankin, the first women ever in the U.S. Congress.

Stephen Hawking is well known for his work in theoretical physics. In honor of his 75th birthday, here are ten fun facts you might not know.

How an orphaned Syrian bear named Wojtek became a Polish army hero.

We call it an epidemic today, but for centuries medical experts encouraged the use of heroin.

The idea that Mary Toft gave birth to rabbits is ridiculous. The fact that most of Britain believed her story is even more astounding.

This is the human body as you've never seen it before.