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." ...

The octopus is a fantastic animal. It is identifiable because of its round body and eight arms (tentacles). Although they can survive in all oceans, they prefer warmer, tropical regions. These ...

Octopuses have the incredible ability to quickly change and adapt their skin to camouflage themselves in their surroundings - an ability researchers have been working to adapt to synthetic materials.