"Everyone in the control room let out a loud 'Oooooh!' at the same time. We were all enchanted," a researcher said.

A "remarkable" new sea slug nicknamed the “mystery mollusk” has been discovered swimming deep in the ocean's "midnight" zone.

Scientists uncovered the "mystery mollusk," a strange glowing sea creature lurking in the ocean's midnight depths.

An unusual sea slug with a large hood, a tail with fingerlike projections and glowing bioluminescence has been found living ...

Researchers were baffled by a bioluminescent mollusk that lives in the deep ocean. They just discovered it's a new species of ...

Scientists discovered a fascinating new deep sea animal they call the "mystery mollusc," and captured footage of the glowing ...

MBARI researchers have discovered a remarkable new species of sea slug that lives in the deep sea. Bathydevius caudactylus ...

Most sea slugs use their raspy tongues to feed on prey that is attached to the seafloor. Instead, Bathydevius caudactylus ...