Scientists filmed a squid covering itself in mud and holding its tentacles upright, using camouflage that helps it hide on the ocean floor.

In the technique known as “environmental DNA metabarcoding,” probes are designed to target specific DNA fragments, similar to how anglers use specific bait to catch a particular species. The challenge ...

In many ways, the deep ocean feels like an entirely different planet from the one we live on—home to some of Earth’s most extraordinary creatures, two of the most evocative being the largest toothed ...

Morphing and malleable, the octopus has always been a cosmic creature. With the ability to press its gelatinous girth through the tiniest rocky crevice, this cephalopod has inspired terrifying legends ...

Scientists at the Monterey Bay Aquarium Research Institute have developed a new deep-sea camera system that captures their clearest look at octopus movement in the ocean’s darkest depths. New ...

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 ...