The oil-and-gas and deep-sea-mining industries require extensive knowledge, and they pay for it. But, with a few exceptions, the characteristics of the deepest trenches are largely unknown.

This sea urchin, found in the deep-sea Clarion Clipperton Zone, is one of many diverse species living at depths of up to 18,000 feet. Spanning 1.7 million square miles of ocean from Hawaii to ...

Environmentalists in the Cook Islands have criticised former Prime Minister and Pacific Islands Forum (PIF) head Henry Puna for joining the board of a deep sea mining company. Puna, who finished ...

Intrigued, they captured a few of these animals and, after taking a closer look, realized they’d discovered a new species: Baeticoniscus carmonaensis, or the Carmona isopod. A Baeticoniscus ...