A new blue octopus species, Microeledone galapagensis, was recently discovered near Darwin Island in northern Galápagos.

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. You might not realize this, but quickly changing colors, as ...

Professor David Scheel managed to capture a breathtaking sequence on video. The video, which was shared as part of Nature on PBS, showcases how octopus dream. In it, we get to see a color-changing ...

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 video of an octopus changing colors while it sleeps is raising a lot of questions about the mysterious sea creatures. The footage aired in the new PBS documentary titled "Octopus: Making ...

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 ...

The octopus is one of the ocean’s most fascinating animals. As a species, it possesses almost humanlike intelligence and traits rarely seen in other marine life. This octopus we found on ...

The dark red color and looming posture of this Octopus tetricus likely signals menace to another octopus nearby, say scientists who studied 186 octopus interactions in 52 hours of underwater ...