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 ...

From the first sighting of a colossal squid in the wild to a seriously goofy octopus, 2025 delivered some astounding photos ...

Learn about the deep sea squid that was found buried in mud, sticking its tentacles out to blend in with the environment.

A new study reveals an unknown species of whiplash squid burying itself upside down in the deep sea — a first-of-its-kind behavior for cephalopods.

Researchers from the University of Vienna (Austria), National Institute of Technology—Wakayama College (NITW; Japan), and Shimane University (Japan) present the largest cephalopod genome sequenced to ...

A deep-sea expedition has recorded 30 previously unknown species from one of the planet’s most inaccessible regions, at depths of up to 700 meters, or 2,300 feet, in the Southern Ocean. The ...

The deep sea, the planet’s most expansive and least understood ecosystem, remains largely unexplored. Yet while the deep sea may seem a dark and distant space, events underwater directly impact our ...