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

Its presence could make a minuscule fish downright jelly. Scientists were awestruck after discovering a schoolbus-sized ...

Scientists spotted a rare jellyfish with huge ribbon-like arms deep in the ocean, where dozens of possible new sea species ...

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company.

The ocean is home to some of the most awe-inspiring creatures on Earth, many of which dwarf anything found on land. From massive whales to elusive deep-sea dwellers, these giants of the sea ...

Explore the astonishing world of giant sea creatures beyond the famous blue whale. Scientists have discovered incredible animals that rival or even surpass the blue whale in size and mystery. Dive ...

For centuries, massive teeth found along coastlines puzzled scientists and naturalists. Researchers later discovered these ...

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

LOS ANGELES — A marine science instructor snorkeling off the Southern California coast spotted something out of a fantasy novel: the silvery carcass of an 18-foot-long, serpent-like oarfish. Jasmine ...