A scientist made a disturbing discovery at the bottom of Challenger Deep which is 35,000 ft below sea level, showing climate ...

Debris produced by human activity has now been spotted at a depth of 5,112 meters (3.2 miles) in the Mediterranean Sea.

A sprawling network of secret underground tunnels is being transformed into a major new London tourist attraction. Hidden 40m ...

Relying on China's self-developed human occupied vehicle (HOV) Fendouzhe, Chinese scientists have completed an exploration of ...