Recent research has revealed a remarkable prehistoric octopus that may have been one of the largest cephalopods ever ...

An octopus species that lived about 80 million years ago had a body length of up to 19 meters and was likely the top predator in the oceans, researchers said.

Mesozoic seas were full of marine monsters. There were snaggle-toothed fish, shell-crushing sharks, and, of course, enormous mosasaurs. Now, researchers have revealed another dangerous denizen of the ...

For centuries, sailors told tales of the Kraken, a colossal sea monster capable of dragging entire ships into the depths. Scientists long dismissed these stories as pure myth born from fear and ...

Madrona Point in British Columbia, Canada, is a popular spot for diving. These waters are also home to the giant Pacific octopus, the largest octopus species on Earth. In this YouTube video, a diver ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: Yohei Utsuki / Hokkaido University A study has posed the possibility that 60-foot-long octopuses were apex predators ...