At least six people were killed and nine others injured when an Egyptian tourist submarine sank off the coast of the Red Sea ...

In 1917, a civil engineer pioneered the first deep-sea vehicle to attempt filming underwater. A century later, we have James ...

“Sub is ascending at 5.5 knots ... “If she comfortably reaches 8,000, she’ll probably go to full ocean depth.” That night, DEEPSEA CHALLENGER made it to 7,260 meters (23,800 feet, about ...

Ocean depth is divided into zones: littoral, bathyal, abyssal and hadal. The deepest part of the ocean, the hadal zone, is anywhere deeper than six kilometres. What is the average depth of the ocean?

The trench is located in the Pacific Ocean near the Philippines. Near the top is a tiny black dot, a to-scale representation of a 6-foot-tall person. Below that is the maximum diving depth of a ...