Why They Might Abandon Ship

Footage of the Alarming Moments Before the Everest Avalanche

What Was Left Behind?

How a Single Asteroid Wiped Dinosaurs Off This Planet

The Surprising Culprit Threatening Yellowstone's Grizzly Bears

The True Story of the Mary Celeste

This Couple Filmed the Everest Avalanche Coming at Them

Mary Beard on Pompeii's Showiest Family

Pompeii's Graffiti: An Ancient Form of Social Media

Are We on the Cusp of a Global Volcanic Winter?

Why the Yellowstone Supervolcano Could Be Huge

This Could Be the Next Mount St. Helens

Perfect Storms

The Great Galveston Hurricane