When Mexican biologist Carlos Rosas dips his hand into the water of a large open-topped tank and brings it to the surface, there is a tiny purple baby octopus, no bigger than a tennis ball, in his ...

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 ...

Octopuses and other camouflaging cephalopods may be the literal embodiment of “now you see me, now you don’t.” Using both rapid color and texture changes, octopuses can blend into nearly every ...