Researchers at MBARI, the Monterey Bay Aquarium Research Institute, have been exploring this hidden world for years. Using ...

Researchers at Northwestern University have identified a single mechanical ratio that dozens of unrelated sea creatures, from ...

Glittery sea worms and sea squirts fit for "The Lord of the Rings" universe might sound like pure fantasy, but they're very real creatures living in the deep sea. Some of these otherworldly ocean ...

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, ...

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, ...

Over the long and complicated course of evolutionary history, mammals independently turned towards water to make a home ...

From bone-eating snot-flowers to snowboarding scale worms, when a whale dies it becomes a colossal island of nutrients – attracting weird and wonderful creatures to feast.

The ocean is home to an extreme variety of species and animals. This diversity results in amazing adaptations and appearances ...

The longest animal on Earth isn’t what you think. It’s a drifting, gelatinous predator whose reach reshapes how we define ...

The video above takes viewers beneath the waters off Bali, Indonesia, where a truly unusual marine animal glides across the seafloor. At first glance, it looks almost unreal — soft, translucent, and ...

Explore the darkest corners of the abyss with 18 terrifying creatures found at the bottom of the ocean. These are Earth's ...

The natural world is full of interesting creatures with unique biological systems. Among the most interesting creatures is the starfish, also referred.