Consider the octopus. Smart and sophisticated, it has a brain larger than that of any other invertebrate. With 500 million or so neurons, its nervous system is more typical of animals with a backbone.

Octopus and other cephalopods are good at hiding themselves—and are inspiring cutting-edge technologies that may help us do the same.

On May 8, 2025, the nature documentary Octopus! was released on Prime. The underwater documentary, produced and narrated by Phoebe Waller-Bridge, tells the fascinating story of an octopus’s incredible ...

The octopus is a striking creature. Their most defining feature, of course, is their eight arms. A new study of octopuses has now documented exactly how those eight arms are used in the wild.

Just four different movements make up the 12 distinct arm motions that wild octopuses utilize to achieve complex tasks, like probing rocks for food. Research from the Marine Biological Laboratory (MBL ...

This is the den of the common octopus. Can you see it hiding? Credit: Shutterstock Look at the picture above. What do you see? If you look closely, you may notice the red eyes of the common octopus ...