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

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, where sunlight can’t reach, lives a world full of creatures that look more ...

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, where sunlight can't reach, lives a world full of creatures that look more ...

To survive the deep ocean, sea creatures need all kinds of adaptations that give them alien-like appearances, like huge eyes ...

Far below the ocean surface, some deep-sea creatures evolve into enormous versions of their shallow-water relatives — a ...

The sting of a Portuguese man o' war is likely the most potent of stings in North America.

Add Yahoo as a preferred source to see more of our stories on Google. Stunning underwater footage has captured an eerie, alien-like sea creature gracefully swimming beneath thick Arctic ice. The ...

The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...

The creatures live on the surface of the water and wash up on beaches in the spring and early summer months. Despite their deceiving appearance, these flat, oval-shaped animals are not technically ...

A new study of the blue button (Porpita porpita), a small and elusive sea creature which lives on the surface of the ocean, has found that it may live for several years adrift at sea, much longer than ...