On land, in the air, and at the bottom of the sea, these animals look like the stuff of science fiction.

In the Middle Ages, it wasn't enough to simply kill people. It had to be brutal.

It's also known as the "poor man's grenade."

Genevieve Carlton earned a Ph.D in history from Northwestern University with a focus on early modern Europe and the history of science and medicine before...

In the illusion, light passing near a black hole magnifies and bends which, viewed from Earth, makes it seem as if streaks of light are forming a circle a...

This 198,000-pound monster is straight out of science fiction.

Despite their fearsome faces and jaws, wolf eels are actually known to cuddle with divers and eat directly from their hands.

How can so much wealth and skin be flaunted in a country so known for its conservative Islamic ways?

Timothy Treadwell spent his life living with the bears, and forming close relationships with them. He never imagined they would one day turn on him.

Little-known facts about the fearless flier and feminist icon.