They change shape and color, and squirt ink. But they also will return your gaze, "as if they're scrutinizing you." ...

Add Yahoo as a preferred source to see more of our stories on Google. Octopuses can solve complex puzzles, use tools, and escape secure aquariums. Part of its brain lives in its arms. It can see with ...

The octopus rarely stays the same shape or color for long. In the wild, its ability to disappear against a shimmering coral ...

Paleontologists have long believed that giant reptiles ruled the oceans in the twilight of the dinosaur age. Now a new study in the journal Science suggests another apex predator dominated the food ...

Three California two-spot octopuses in a Dartmouth College lab learned to turn away from a mirror, not toward it, in order to ...

When Inky the octopus squeezed through a drain pipe and vanished into the ocean, he exposed something uncomfortable about how ...

The octopus just revealed another one of its secrets: what determines its sex. University of Oregon researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has ...

A female octopus throws debris that hits a male attempting to mate with her. The material thrown is silt, vigor is high, and thrower’s coloration pattern is dark uniform. Credit: Godfrey-Smith et al., ...

Scientists say that the abundance of microRNA types in our brains is a sign of our intelligence, one which we share with octopuses and other cephalopods. Octopuses are incredibly intelligent creatures ...

The underwater cameras got it all: The octopuses emerged from a cluttered bed of empty shells, arms unfurling like ribbons. Then, suddenly, a cloud of debris came spewing out from underneath their ...

Octopuses don't thermoregulate, so their powerful brains are exposed to -- and potentially threatened by -- changes in temperature. Researchers report that two-spot octopuses adapt to seasonal ...

Around 130,000 common octopus paralarvae, or newly hatched octopuses, have been released into waters off Italy as part of a project aimed at controlling the growing population of invasive blue crabs.