The banks of the Dead Sea are the lowest point on dry land but not the deepest point on Earth's surface. That distinction ...

It will probe the depths of the Mariana Trench—the deepest oceanic trench on Earth—using remotely operated and autonomous vehicles to reach depths up to 6,000 meters.

These thrilling disaster movies will put your nerves to the test. Get your emergency kits, evacuation plans and doomsday shelters ready!