Picture an ocean world so deep and dark it feels like another planet – where creatures glow and life survives under crushing ...

Most people think the bottom of the ocean is like a giant bathtub filled with mud—boring, flat and dark. But it contains ... Only a tiny percentage of the ocean floor has been carefully mapped ...

On a routine ocean exploration off the coast of Alaska, scientists stumbled upon an unexpected and puzzling discovery: a mysterious golden orb lying 3,300 meters (2 miles) beneath the ocean surface.

darkest reaches of the ocean be making oxygen in the absence of sunlight? Some scientists think so, but others have challenged the claim that so-called "dark oxygen" is being produced in the ...

These make the animal more stable on the ocean floor. But are you a deep-sea enthusiast? Explore the inky depths in our expert-led, online and on-demand course Deep Sea, available now. From ...