Down in the midnight zone, where light fades to nothing, a single breath becomes a long commitment. Sperm whales slip beneath the surface and vanish into cold pressure that would crush most animals.

The ocean is home to some of the most extraordinary creatures on the planet. From tiny deep sea hunters to massive gentle ...

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

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

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

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 ...

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