Researchers have revisited a remote site in the Pacific Ocean that was used as a test for deep-sea mining in the 1970s. They ...

Part of the tectonic "Ring of Fire" encircling the Pacific Ocean, the Mariana Trench is a subduction fault where the older crustal rock of ... other surface ships and deep-sea exploratory vehicles ...

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

In the cold, lightless Pacific Ocean deep, the seabed is scattered with metal-rich rocks coveted by miners -- and huge ...

A new study involving the University of Liverpool has revealed the long-term impacts and the first signs of biological ...

Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be ... about 2.7 billion years ago. "Deep-sea discovery calls into question the origins of life," the Scottish Association for ...

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