It was the last hour of a 30-hour dive, nearly two murky miles below the ocean’s surface. A remotely operated vehicle called the Hercules was exploring the foothills of the Davidson Seamount, an ...

When octopuses move across the seafloor, they can use multiple arms to camouflage from predators. These strong arms are also used for building dens, chucking shells, competing for mates, and more.

Along the rocky shores of eastern Australia, a small brown octopus is unassuming as it blends in with its surroundings. When the octopus is scared or hungry, however, it becomes one of the most ...

A 2019 image from video shows female pearl octopuses nesting at the base of an extinct underwater volcano. (Monterey Bay Aquarium Research Institute) It was the last hour of a 30-hour dive, nearly two ...

It was the last hour of a 30-hour dive, nearly two murky miles below the ocean’s surface. A remotely operated vehicle called the Hercules was exploring the foothills of the Davidson Seamount, an ...