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

Glittery sea worms and sea squirts fit for "The Lord of the Rings" universe might sound like pure fantasy, but they're very ...

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

Animals come in an extraordinary range of body shapes. A starfish looks nothing like an earthworm, a mouse, or a human. Yet ...

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

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

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

From bone-eating snot-flowers to snowboarding scale worms, when a whale dies it becomes a colossal island of nutrients – ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

A rare sighting in Bali, Indonesia shows a majestic looking sea slug with a unique way of swimming and eating.

A quick Google search will tell you that the ocean covers approximately 71% of the Earth’s surface, spanning roughly 139 ...