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 Contact." ...

Colour change in animals can occur over different timescales and aids communication and camouflage. Direct evidence of the associated energetic costs has been lacking, but now an experimental study of ...

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 @deepandscary ...

A photographer came across a rare octopus while walking on a Welsh beach. It was orange in color, and at the time of discovery was buried in sand. Gareth Davies, the photographer, found the stunning ...

If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...