A mining-machine test on the deep-ocean floor resulted in species diversity declining by roughly 32% in the tracks of the ...

With the Jan. 12 deadline looming for public input on a federal deep-sea mining proposal, Gov. Lou Leon Guerrero and Lt. Gov.

Drilling for minerals deep in the ocean could have immense consequences for the tiny animals at the core of the vast marine food web — and ultimately affect fisheries and the food we find on our ...

How companies that mine copper, ore, and even nickel, are betting on the sea floor to find such rare earths. Rare-earth elements help power our everyday electrical devices, and that’s because most ...