Cats explore a giant octopus-like structure in their new enclosure, while dogs enjoy playful moments in a rainbow castle as ...

A stranded octopus gets a helping hand back to the ocean and takes the time to "high five" the rescuer. What really happened?

With blue blood and three hearts, the octopus has one of the most unusual circulatory systems in the animal kingdom.

The Giant Eclipse Octopus is going viral on Facebook. The page Science and Space Daily uploaded a picture of a Kraken-like creature and claimed it was supposedly found in the Gulf of Mexico. Marine ...

A recent study showed the molecular pathways that zebrafish use to lighten themselves and darken themselves for animal ...

Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a ...