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

A surprise discovery at Birch Aquarium in La Jolla is shedding new light and providing first-of-its-kind information about what researchers call a mysterious octopus species that typically is in ...

Octopuses can flip from mottled rock to smooth sand in less time than it takes a human to blink, yet their eyes carry only a single visual pigment that should make them functionally colorblind. The ...