For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a ...

Octopuses are masters of camouflage and disguise. An alarmed octopus can vanish even while you watch, flawlessly transforming ...

The findings are the first to quantify how much work goes into switching on chromatophores, the specialized color-changing ...

Octopus filmed firing stones from her siphon from inside a clam shell like a sniper in never-before-seen behavior captured ...

A pair of biologists at Walla Walla University, in the U.S., have developed a way to calculate the energy costs for certain ...

When the octopus first emerged, it was a pale, almost translucent color. (Image credit: Marine Conservation Society/TMX) The creature turned bright orange within seconds and then made its way back ...

A California Two Spot Octopus and four hatchlings are joining the more than 3,400 animals and 500 species featured at the zoo ...