Explore Earth's Deepest Trenches: Discover the extreme geology, astonishing marine life, and human exploration of the abyssal ...

At Challenger Deep, it takes around 15 seconds for sound to travel from the ship to the seafloor and back. However, it’s known that the speed of this journey can be subtly influenced by the sea’s ...

I’ll show you.” He led the Big Man and his entourage to where DEEPSEA CHALLENGER, a sleek, 24-foot submersible, rested in its cradle. In a few days Cameron planned to deploy the craft in a deep ...

Footage from the deepest reaches of the Earth’s ocean was gathered in March 2012 – by Canadian film director James Cameron, when he made the first solo exploration of the Challenger Deep valley in the ...