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

The kraken: a giant squid or octopus of myth, seems to have swam in the Cretaceous oceans, a Japanese study shows.

The discovery of a collection of about 700 fossils known as the Jiangchuan Biota gives scientists a better understanding of ...

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

The ancient cephalopod, Nanaimoteuthis haggarti, appears to have been an apex predator that rivaled mosasaurs to rule ...

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

Giant, fearsome octopuses may have once ruled the ancient seas, according to new research that flips the script on their ...

Scientists found preserved blood vessel structures in a T. rex fossil, offering new insight into dinosaur healing and fossilization.

Beneath the dry farmland of New South Wales lies a hidden window into a lost rainforest teeming with life from 11-16 million ...

A river hunt for ancient sea fossils takes a strange turn when the group starts finding unusual lightweight rocks that don’t behave like normal stone. Some show early signs of crystal formation—almost ...

Canadian researchers studying 450-million-year-old fossils near Quebec City have identified a new species of basal-medusozoan ...