These sea creatures may have been some of the fiercest predators ...

Hundreds of meters below the Atlantic’s surface, off the coast of the southeastern United States, sonar pulses bounced off ...

Some octopuses that lived over 72 million years ago were as long as whales. These huge predators may have been the largest invertebrates ever.

Rare fossil finds show colossal octopuses were among the top ocean predators during the Cretaceous Period, according to a new study.

Giant, intelligent octopuses may have once ruled the ancient seas. Modern octopuses are known for their intelligence and ...

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

Giant octopuses may have ruled the oceans 100 million years ago, according to fossil evidence.

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

‘Kraken’ fossils show enormous, intelligent octopuses were top predators in Cretaceous seas Fossil jaws from colossal octopuses place them at the top of a prehistoric marine food chain ...

Study of fossilised beaks shows patterns of wear and suggests some ancient species were up to 19 metres long ...

Octopuses have often been thought to prowl the seafloor solo using camouflage. But a new study suggests that some have surprisingly rich social lives. A new study found that some members of an octopus ...

More than 200 meters beneath the surface of the South Atlantic, where sunlight fades to nothing and water temperatures hover ...