The finned octopus lived alongside T. rex and may have been one of the top predators in the ancient ocean food chain.

Add Yahoo as a preferred source to see more of our stories on Google. An artist's representation of what the animal may have looked like. - University of Reading The story of a 300-million-year-old ...

The now-extinct mollusk may have reached up to 60 feet in length, researchers have found ...

"It's a huge gap. And so that big gap got researchers sort of questioning, ‘Is this thing actually an octopus?'" ...

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 ...

The other known octopus nursery is about 3,200 meters (2 miles) below the ocean surface on the Davidson Seamount off the coast of Monterey, California, where thousands of octopuses cluster around a ...