From the octopus that walks on land to another that grows its own ‘lifejacket’, discover these unusual species ...

The octopus is one of the coolest animals in the sea. For starters, they are invertebrates. That means they don’t have backbones like humans, lions, turtles, and birds. That may sound unusual, but ...

Paul the Octopus—the eight-legged oracle who made international headlines with his amazingly accurate football forecasting—isn't the only talented cephalopod in the sea. The Indonesian mimic octopus, ...