This giant cephalopod dwarfed mosasaurs and other massive marine reptiles that lived during the time of the ...

A goblin shark catapults its jaw out like a slingshot. A fish swims around with a perfectly clear skull. But these are real ...

Stories have long been told about the Kraken, the fearsome giant sea monster of centuries-old myth that could wrap its tentacles around an entire ship and drown scores of sailors in the process. And ...

David Attenborough’s nature documentaries have captured some first-time animal behaviours over the years on film – here are ...

Darkness dominates most of the ocean. Sunlight fades quickly as you descend, and by the time you reach the deep sea, natural ...

In dramatic footage captured for the BBC’s Planet Earth, seals must risk an encounter with hungry great white sharks ...

A jaw tip worn down by nearly a tenth does not sound like much until you picture what it means. Chipping, cracking, scratches and polish do not appear on their own.

The top predator prowling the seas during the age of the dinosaurs 100 million years ago may have been the octopus. New analyses of fossilized jaws reveal that massive, kraken-like octopuses once ...

A jaw tip worn down by nearly a tenth does not sound like much until you picture what it means. Chipping, cracking, scratches and polish do not appear on their own. Something was hitting back. That is ...

Whale-sized, monstrous octopuses prowled the seas during the Age of Dinosaurs, snatching prey with their huge tentacles and crunching them with powerful jaws, fossils from B.C. and Japan suggest.

The ancient oceans were once ruled by giant 'kraken-like' octopuses that measured up to 62 feet (19m) long, new research ...