This is how gravitational waves reveal ripples in spacetime, prove Einstein's theories right, and illuminate the mysteries of how the universe began.

The Ku Klux Klan lived a much different life in the 1920s, apparently a life that involved riding Colorado's amusement park Ferris wheels.

This is your one chance to see the almost one-in-a-million creature.

New video of the biggest great white shark ever caught on camera, nicknamed "Deep Blue," has been released -- and it's truly astounding.

Around one-fifth of the world's population participates in the event, which began on Sunday.

Drones can cause havoc if they're in the wrong hands. With their new drone-hunting eagles, Dutch police have come up with a novel and effective solution.

Boko Haram have killed more than 15,000 people in the last 14 years.

Humans take 93 million selfies per day. And if that number disturbs you, just wait until you see this infographic breakdown of selfie deaths.

Black History Month starts today. Here's how it got started, and some dates you should know.

Believe it or not, the proof was discovered on the moon.

Proof that public transportation doesn't have to be hideous.