But to make it happen, explorer and filmmaker James Cameron had to design and build his own vehicle, a futuristic submersible ...

Add Yahoo as a preferred source to see more of our stories on Google. Just as Earth’s land surface has enormous peaks and valleys, the oceanic world has similarly varied topography. Perhaps the most ...

At the bottom of the Mariana Trench, in a slot called Challenger Deep, water temperatures hover only a few degrees above freezing and not a single photon of sunlight arrives. These conditions are not ...