The oceans cover over 70% of the Earth’s surface. The marine ecosystem is the largest and most abundant in the world. But most of the ocean is permanently dark and incredibly difficult to observe. As ...

Deep-sea researchers have launched a groundbreaking project to investigate "dark oxygen"—a form of oxygen produced in total darkness on the ocean floor. The initiative follows last year's discovery of ...

Deep-sea mining is threatening vital marine life in the ocean’s “twilight zone,” reveals new research. The findings raise “urgent concerns” about long-lasting effects if large-scale commercial mining ...