Octopuses can flip from mottled rock to smooth sand in less time than it takes a human to blink, yet their eyes carry only a single visual pigment that should make them functionally colorblind. The ...

A sleeping octopus named Heidi cycles through rippling colors and shifting skin patterns while completely unconscious, and ...

A video of an octopus changing colors while it sleeps is raising a lot of questions about the mysterious sea creatures. A video of an octopus changing colors while it sleeps is raising a lot of ...

With its eight legs wrapped around itself as if in a hug and its eye pupils narrowed to a slit, the octopus breathes evenly, its body a uniform whitish gray. Moments later it begins to change color -- ...

Octopuses are well-known for being anti-social, but new research is proving they aren’t as reclusive as scientists previously believed. In fact, their knack for changing their appearance—long thought ...

A research team in South Korea has developed a soft robot named Octoid that can mimic the movement and behavior of an octopus in its natural habitat. The robot’s “triple-in-one” system enables it to ...

Octopuses change color to camouflage themselves from predators such as stingrays and eels. Octopuses have even been observed changing color in their sleep. Octopus's color-changing ability is known as ...