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 ...

Octopuses can open jars, use tools, solve puzzles and even recognize individual human faces staring back at them through aquarium glass. Should they serve as menu items, too? Whether stuffed into ...

Octopuses are capable of sophisticated tasks, from solving puzzles to decorating their dens to remembering people's faces. So when a company in Spain announced that it wanted to commercially farm ...