Scattered across an abyssal plain known as the Clarion-Clipperton Zone (CCZ) are polymetallic nodules that are a potato-sized ...

It’s easy to forget that beneath the sunlit waves, just past where the ocean’s blue turns to jet-black, lies a world teeming ...

Imagine plunging into a world where sunlight barely penetrates, and the darkness is suddenly broken by mysterious flashes of ...

Photo Credit: NASA Oxygen-starved ocean “dead zones,” where fish and animals cannot survive, have been expanding in the open ocean and coastal waters for several decades as a result of human ...

Imagine descending into the ocean’s deep, dark twilight zone, a realm straight out of science fiction. Here, in a place where ...

Scientists have revealed footage of a colossal squid swimming in the deep ocean. It's the first time we've seen one alive in ...

MIT oceanographers discovered big fish like tuna and swordfish get a large fraction of their food from the ocean’s twilight zone — a cold, dark layer about half a mile below the surface.

My team will be able to study the deep seafloor into the hadal zone, an area ... This habitat, full of deep ocean trenches, is still poorly understood. The discovery of dark oxygen clearly has ...

In a groundbreaking discovery, scientists have identified a phenomenon they're calling "dark oxygen" — oxygen produced without any sunlight — 4,000 meters beneath the Pacific Ocean in the ...

Dark oxygen ... of the ocean bottom itself suggests one possible source: polymetallic nodules. These potato-sized lumps, composed of various metals, litter the seafloor where the researchers detected ...