X-Ray Earth

X-raying the Earth reveals the largest volcano on the planet lies beneath Yellowstone National Park, and it could plunge the Earth into a volcanic winter.

X-Raying the Earth reveals an Atlantic island that could collapse in a mega-landslide, sending a killer tsunami headed straight for the U.S. East Coast.

Scientists examine a large fault line off the coast of the Pacific Northwest and the possible devastation that could result from a megaquake and tsunami.