The massive invertebrates may have been top predators, according to an analysis of their fossilized jaws. The work suggests ...

Octopuses' earliest relatives may have been gigantic predators hunting during the age of dinosaurs, according to new Hokkaido ...

Fossil jaws reveal giant prehistoric octopuses may have ruled ancient oceans as powerful apex predators during the Cretaceous ...

New analyses of fossilized jaws reveal that massive, kraken-like octopuses once hunted alongside other marine predators.

Below the waves, giant marine reptiles, such as the fearsome 4m (13ft) long mosasaurs, were the undisputed apex predators. In artistic reconstructions of these ancient oceans, cephalopods – the animal ...

New research suggests that octopuses up to 62 feet long prowled the oceans about 100 million years ago, rivaling top marine predators like mosasaurs. Fossilized beaks from two extinct species indicate ...

The giant kraken, a mythical marine beast, may not be entirely fiction. New evidence suggests that octopuses up to 62 feet ...

New research suggests giant octopuses up to 19 metres long may have ruled ancient oceans 100 million years ago, challenging ...

A new study published Thursday in the journal 'Science' finds giant octopuses may have been top predators 100 million years ...

A new study in PNAS finds that the extinction of large mammals like saber-toothed cats between 50,000 and 10,000 years ago permanently altered global food webs, with the Americas most affected.

During the same period, dinosaurs such as T rex, Triceratops, and Velociraptor dominated life on land, while these octopuses ...

The Western Interior Seaway, which existed roughly 80 million years ago, split North America into North and South. It was a warm, shallow sea teeming with life from the Arctic Ocean to the Gulf of ...