A rarely seen giant phantom jellyfish — a deep-sea creature with arms that can stretch up to 10 meters long — has been ...

A yellow, brick-like volcanic formation found nearly 10,000 feet deep reveals how underwater eruptions fracture rock.

Wildlife from the ocean's deepest trenches has a bit of a reputation on land, either due to their inherently alarming appearances or historic associations with bad tidings. However, The New York Times ...

Scientists at the Monterey Bay Aquarium Research Institute have developed a new deep-sea camera system that captures their clearest look at octopus movement in the ocean’s darkest depths. New ...

Scientists filmed a squid covering itself in mud and holding its tentacles upright, using camouflage that helps it hide on the ocean floor.

On 4 February, scientists operating a deep-sea research vehicle off the coast of Argentina recorded rare footage of the giant ...

A dome-fronted submersible sinks beneath the waves off Indonesia, heading down nearly 1,000 meters in search of new species, plastic-eating microbes and compounds that could one day make medicines.

Scientists in the Azores Islands, Portugal, dropped a baited underwater camera and let it sink thousands of feet down in the Atlantic Ocean. Later, they hauled it up and reviewed the footage. To their ...