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.

High pressure in the deep ocean may squeeze nutrients from sinking “marine snow,” feeding deep-sea microbes and altering how ...

Researchers from the University of Delaware’s College of Earth, Ocean and Environment helped lead the charge of underwater discovery in 2025, leading research cruises that each employed one of the ...

Scientists have discovered a massive deep-sea coral reef system off the coast of Argentina that may be one of the largest on ...

In the Shichiyo Seamount Chain, scientists discovered coral gardens, sponge-dense habitats, and five new squat lobster ...

Hidden in volcanic lakes and deep-sea vents, scientists have discovered tough new DNA-binding proteins built to survive extreme conditions. After scanning huge genetic databases, researchers found ...

(CNN) — Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed.

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

Deep-sea researchers have discovered a new squid species. This squid buries itself in the seafloor. It waves its tentacles ...

Governments face pressure to delay seabed mining as legal risks, fragile ecosystems and global treaty commitments collide.

The new finding, made by researchers in a new era for marine biology, is the first such discovery of footage of an undescribed species of whiplash squid; this creature is capable of having an ...