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

Cephalopods—the class of animals that comprises octopuses and squids—are ubiquitous throughout the ocean, including in the ...

Perhaps it was hiding from predators. Or trying to catch food. Then again, maybe it just wanted to be left alone.

Deep-sea creatures exhibit gigantism, with football-sized eyes and van-sized sponges thriving in crushing darkness. These ...

Scientists have sequenced the genome of the \"vampire squid from hell,\" revealing it bridges the evolutionary gap between ...

While modern octopuses have DNA that consistently gets reshuffled, resulting in some chromosomal mixing, the researchers ...

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

At 4,100 meters (13,450 feet) beneath the ocean’s surface, scientists witnessed a never-before-seen behavior in a deep-sea ...

Glowing sea animals use bioluminescence powered by luciferin to communicate, attract prey and defend themselves, turning the ...

Discover seven fascinating animals that can’t survive in sunlight. Learn how these cave-dwellers and deep-sea creatures are ...

In James Cameron’s latest 3-D science-fiction extravaganza, the Na’vi family tree gets more complicated, but our sense of ...

The remains of a rare deep-sea octopus has washed up on a beach in Aberdeenshire. The Forvie National Nature Reserve were alerted to the discovery of a “thick tentacle” located at the beach near ...