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 ...

An Octopus cyanea hunts with a blacktip grouper on one side and a blue goatfish on the other. Octopuses don’t always hunt alone — but their partners aren’t who you’d expect. A new study shows that ...

Octopuses have a way of making familiar rules feel optional. They live on Earth but behave like visitors with a different instruction manual. Scientists study them for answers about intelligence and ...

Equally mysterious and beautiful, octopuses are captivating creatures. There are over 300 octopus species, and they thrive in ...

Octopuses have often been thought to prowl the seafloor solo using camouflage. But a new study suggests that some have surprisingly rich social lives. A new study found that some members of an octopus ...

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 ...

Plans are underway to open the world's first octopus farm in Spain—a move that has been met with considerable backlash from animal rights groups. Spanish seafood commercialization company Nueva ...

According to most science fiction and fantasy depictions, alien life is similar to what we know on Earth. But it’s likely that aliens, if they exist, are actually very different from us. Scientists ...