Countries have debated for decades whether to allow mining on the ocean floor, a potential trove of critical minerals. Now, a ...

The hiker and a companion had wandered off the remote 53-mile hiking path that follows the northern California coastline of ...

Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight ... about ...

A calving iceberg exposed a region that never before had been seen by human eyes, revealing a vibrant, thriving ecosystem ...

KUMANO, Mie Prefecture--The famed "Shishi-iwa" (Lion rock), a lion-shaped formation on top of a cliff here appearing to be ...

Dozens of companies and academic groups are pitching the same theory: that sinking rocks, nutrients, crop waste or seaweed in the ocean could lock away climate-warming carbon dioxide for centuries or ...

Researchers said that potato-sized nodules could be producing enough electrical current to split seawater into hydrogen and oxygen, a process known as electrolysis.