Deep-sea explorer and Academy Award-winning filmmaker James Cameron sits in a scale model of the Deepsea Challenger's pilot chamber at an exhibition about his history-making ocean expeditions in ...

E xplorers have dreamed of harvesting deep-sea metals since the 1870s, when the British scientific ship HMS Challenger pulled up mineral-laden rocks on its round-the-world voyage.

Explorers have dreamed of harvesting deep-sea metals since the 1870s, when the British scientific ship HMS Challenger pulled up mineral-laden rocks on its round-the-world voyage. The first ...