“Imagine knowing a species exists, but never having seen it alive.” ...

Discover examples of sea life and see how they move underwater in this KS1 Science video on marine animals for primary ...

The oceans have produced some of the largest animals ever to exist, from prehistoric predators that dominated ancient seas to ...

Beachgoers have been urged not to touch the electric blue creatures by marine experts after hundred of the 'alien jellyfish' ...

The ocean’s hiding some deep secrets. An oceanic expedition off Brazil has discovered 31 otherworldly new critters, including ...

Related: Amazon Is Selling an Adorable 262-Piece Lego Duck Set Complete With Tiny Ducklings The set starts with six sea ...

Scientists exploring one of Earth's least-understood ecosystems identified dozens of previously unknown species, including ...

When photographer Jialing Cai plunged into the ocean in the dead of night, she found creatures of the deep had risen up to meet her.

Animals come in an extraordinary range of body shapes. A starfish looks nothing like an earthworm, a mouse, or a human. Yet even closely related species can appear radically different: corals, ...

In the chilly waters off the Northern California coast, palm-size sea creatures known as Velella velella float along the ocean’s choppy surface. But springtime storms can push the jellyfish-like ...

The researchers saw many strange animals — many believed to be new to science — living off the whale carcasses.