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 ...

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

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

Scientists previously captured rare footage of a giant squid. Now, they've filmed another huge squid species — the colossal squid. The first specimens of the colossal squid (Mesonychoteuthis hamiltoni ...

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

Although the squid may appear at first glance to have "teeth like a human," in reality the feature consists of "circular, folded lips, of which only the upper and lower portions can be seen." The ...