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

An octopus doesn’t get a second chance when a shark or dolphin is nearby. With no shell for protection, this soft-bodied escape artist has to disappear before a hungry predator spots it. Watch the ...

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 ...