When most of us picture the ocean, we imagine turquoise waves, colorful reefs, and shoals of darting fish. But that’s only the surface. Venture deeper, far below the last reach of sunlight, and you ...

In July and August scientists onboard the Schmidt Ocean Institute’s research vessel Falkor (too) spotted the oddities through the eyes of an underwater robot as they explored the Mar del Plata Canyon.

Reaching over 30 feet long, the mysterious giant oarfish is the real-life "sea serpent" behind centuries of myths and legends ...

This octopus can brood its eggs for nearly four years without eating. Here’s how this biological extreme has reshaped how ...

Deep down in the sea, where no light penetrates and where the availability of food is very low, life somehow exists in ways ...

The deep sea is a distinctive environment, distinguished from surface waters by darkness, cold and immense pressures. Global data reveal how much more connected deep-sea life is than life in the ...

A mysterious deep-sea squid filmed 4.1 km below the Pacific can disguise itself as the ocean floor, raising new questions about hidden marine life and what we still don’t know.

New research shows why some shelly critters flourished in the ocean’s harshest habitats — and others didn’t Jack Tamisiea Beds of Bathymodiolus mussels provide important habitat for other deep-sea ...

A cnidarian is attached to a dead sponge stalk on a manganese nodule in the Clarion-Clipperton Zone. Diva Amon and Craig Smith, University of Hawaii at Mānoa Picture an ocean world so deep and dark it ...