A mother octopus broods her eggs near a small outcrop of rock unofficially called El Dorado Hill. When a female octopus broods (which can be a timespan of multiple years), she does not eat and dies ...

This newly discovered species of octopus is a deep-sea shapeshifter with large eyes and blood-red tentacles. Sounds terrifying? Don’t fret: these strange little guys are smaller than a golf ball.

An octopus hatchling emerges from a group of eggs at a new octopus nursery, first discovered by the same team in June, at Tengosed Seamount, off Costa Rica. automation Scientists have discovered at ...

The octopuses eat the tissues in the jellyfish's body, or bell, and then pull the prey's stinging tentacles along behind them ...

The seven-armed octopus lives hundreds of meters below the surface of the sea and is one of the world's largest octopus ...

Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a ...

An Octopus cyanea hunts with a blacktip grouper on one side and a blue goatfish on the other. Octopuses don’t always hunt alone — but their partners aren’t who you’d expect. A new study shows that ...

What appeared to be tentacles washed up on an Aberdeenshire beach are the remains of a deep-sea creature called a seven-arm ...

Octopuses don’t always hunt alone — but their partners aren’t who you’d expect. A new study shows that some members of the species Octopus cyanea maraud around the seafloor in hunting groups with fish ...