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 ...

This zone contains a vast amount of marine life, potentially over 90% of all ocean life, and supports important commercial and recreational fisheries. Creatures in the twilight zone help mitigate ...

Narrow bands of ocean covering just over one-third of the world's seas are responsible for absorbing nearly three-quarters of ...

More than one-fifth of the global ocean—an area spanning more than 75 million sq km—has been the subject of ocean darkening over the past two decades, according to new research. Ocean darkening occurs ...