Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Go diving into the intertidal waters of the Great Barrier ...

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 ...

With eight tentacles, a massive brain, and a surprisingly malleable body composition, octopuses are among the weirdest and most intriguing creatures around. Living at depths of anything from around ...

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 ...

After five years, scientists have solved the mystery of the octopus garden. Octopuses off California's coast gather in herds around hidden deep-sea vents to mate and lay eggs. They use the heat from ...

In June 2025, the SciFri Book Club read Many Things Under a Rock: The Mysteries of Octopuses by David Scheel. Luckily, there is also a young readers edition, so you can learn about these amazing ...

Intriguing and incredibly unique, octopuses are cephalopods with three hearts that pump blue blood throughout their eight arms. These intelligent sea creatures have multiple brains — nine, to be exact ...

On September 13, a team of marine explorers on a NOAA-funded expedition encountered a rare dumbo octopus in the depths of the North Pacific Ocean. It was found while exploring the ocean floor aboard ...