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 ...

Scientists have discovered at least four new species of octopus in the deep waters of a 100-square-mile area near Costa Rica, officials from the Schmidt Ocean Institute said on Tuesday. An ...

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.

Scientists say they have discovered what might be a new species of octopus while searching the Pacific Ocean floor near the Hawaiian Islands. On Feb. 27, a team found a small light-colored octopus at ...

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 ...

When people think of intelligent animals, they immediately think of dolphins, elephants, and chimpanzees. But one of the most ...

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 ...

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 ...