An ink that changes colour when exposed to light, like an octopus does to match its surroundings, could one day be used for automatic camouflage.

The adaptation is ancient: Ink sacs are present in fossils of octopus ancestors that are more than 300 million years old. Photographed at Dive Gizo, Solomon Islands.

TAMPA, Fla. (WFLA) — An ink-credible rare sight, caught on camera, catches an octopus as it changes its colors from white to orange. Video captured by Ciara Taylor, a Marine Conservation Society ...

Ink. When discovered, an octopus will release a cloud of black ink to obscure its attacker's view, giving it time to swim away. The ink even contains a substance that dulls a predator's sense of ...

A new light-activated ink can change color on demand. It’s made up of colored microbeads that rise in response to different wavelengths of light to change a surface color, which could be useful ...

It's only the world's third known octopus nursery. The research team may have also discovered a new species of Muusoctopus, a genus of small to medium sized octopus that lacks an ink sack.

An octopus in attack mode is the ocean’s version of a ninja. In the waters of the Mediterranean, these divers encountered an octopus. As they tried to get close, the octopus wasn't having it.

Octopuses have many amazing abilities and characteristics; they have huge brains and can solve puzzles; their ink can ...

An octopus has been spotted changing colour in ink-credible footage from a Welsh beach. Beachgoers captured the rare sight of the curled octopus while looking in rock pools on Menai Bridge beach ...

A compound found inside octopus ink has been created artificially in the lab and used to kill cancer cells. The development could eventually lead to new cancer treatments. Martín Samuel ...