Scientists have long assumed the deep-sea Alicella gigantea was an uncommon survivor of the abyss.

The 30cm-long (11.8in) juvenile was spotted at a depth of 600m (1,968ft), near the South Sandwich Islands in the south ...

As companies search underwater for resources, scientists are taking inventory of the ocean-dwelling creatures that could be ...

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before-seen marine species is part of the mission.

Lanice spongicola lives on a glass sponge, a deep-sea sponge with a skeleton made of silica, that rises from hard rock. The ...

Cephalopods—the class of animals that comprises octopuses and squids—are ubiquitous throughout the ocean, including in the deep sea. However, researchers still don't know very much about the ...

Scientific divers have navigated a series of treacherous dives more than 330 feet deep in an attempt to unravel the mysteries of deep ocean reefs. They’re finding new species — and evidence of both cl ...

A seven-arm octopus was spotted in Monterey Bay in Nov. 6, 2025; the 'rarely seen' deep-sea octopus was spotted by ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

NEW YORK -- An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches. In these extreme environments, the crushing pressure, scant food and lack of ...

A newly discovered predatory “death-ball” sponge in the Southern Ocean hunts small prey with tiny hooks, revealing surprising deep-sea behaviour and hidden marine biodiversity.

NEW YORK (AP) — An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches. In these extreme environments, the crushing pressure, scant food and lack of ...