Glomar and Cobalt Blue plan to build a U.S. refinery to process deep-sea polymetallic nodules, including copper, highlighting alternative supply strat ...

Proponents say they want to dredge the seafloor for metals needed for clean technology. Indigenous Pacific Islanders call it a threat to life, culture, and the ocean itself.

Deep-sea mining is back on Washington’s radar (or should that be sonar?) under President Donald Trump. Mineral-rich nodules ...

Deep-sea mining firm Glomar Minerals and Australia's Cobalt Blue Holdings said on Monday they plan to build a U.S. ‌refinery ...

With growing interest in mining critical metals from the seafloor, countries are now negotiating international rules. The Trump administration is forging ahead on its own, speeding up environmental ...

Learn how researchers discovered a new superfamily living at the bottom of the Pacific Ocean.