The common octopus would be unique for its appearance alone, with its massive bulbous head, large eyes, and eight distinctive arms. But by far the most striking characteristic of the octopus is the ...

INVZMAI copy purchased with funds from the S. Dillon Ripley Endowment. "Largely shell-less relatives of clams and snails, the marine mollusks in the class Cephalopoda--Greek for head-foot --are ...

Fossil research shows that an enormous "kraken-like" octopus stalked the seas during the Cretaceous period, competing with large apex predators. Researchers say they've unearthed evidence for what may ...

What animal has blue blood, three hearts and can change color and shape within three-tenths of a second? The same animal has venom like a snake, a beak like a parrot and ink like a pen. It is an ...

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 ...