Some scientists claim that octopuses could be the next big species after humans go extinct and that there is much to learn ...

Blue-lined octopuses are from a group of venomous octopuses that look plain in color until they are threatened, at which time their bodies flare with electric blue lines to ward off potential ...

Octopuses have an "incredible ability not just to change the color and patterns on their skin but also to transform their body's shape and texture," said National Geographic. They use this ability ...