"These krakens must have been a fearsome sight to behold." Scientists just classified an enormous octopus that likely ruled ...

A newly identified finned octopus species is forcing scientists to rethink who really ruled the oceans during the age of dinosaurs. Based on fossilized jaws uncovered in Japan and Canada, researchers ...

A "kraken-like" giant octopus might have been one of the most formidable predators around 100 million years ago, scientists have found. New research led by scientists from Japan's Hokkaido University, ...

The kraken — a gigantic, tentacled sea monster capable of dragging ships and sailors down into the depths — is a creature of Norwegian myth. But millions of years ago, a similar real-life animal ...

Today's octopuses are intelligent, remarkably flexible animals that lurk in reefs, hide in crevices, or drift through the deep sea. But new research suggests that their earliest relatives may have ...

At the time of the dinosaurs, the oceans were teeming with life. Below the waves, giant marine reptiles, such as the fearsome 4m (13ft) long mosasaurs, were the undisputed apex predators. In artistic ...

Giant, fearsome octopuses may have once ruled the ancient seas, according to new research that flips the script on their evolutionary past. By uncovering exquisitely preserved fossil jaws hidden ...