Researchers studying a deep-sea octopus called Muusoctopus robustus have found thousands of the animals congregating at hydrothermal springs near an underwater mountain off California, raising ...

Scientists have uncovered evidence of enormous, intelligent, octopus-like predators that dominated Earth's ancient oceans.

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, where sunlight can’t reach, lives a world full of creatures that look more ...

Add Yahoo as a preferred source to see more of our stories on Google. The elusive seven-armed blob octopus -- yes, that's a real creature -- has been caught on camera for just the fourth time in 40 ...

Meetings across the tree of life : Two meetings and a departure ; Outlines -- A history of animals : Beginnings ; Living together ; Neurons and nervous systems ; The garden ; Senses ; The fork -- ...