A color that would seem impossible to miss in daylight can become the perfect disguise in the dark.

Darkness dominates most of the ocean. Sunlight fades quickly as you descend, and by the time you reach the deep sea, natural light disappears entirely. Yet the ocean is far from black. Many marine ...

I’ve always been fascinated by marine animals. But it wasn’t until I was watching Finding Nemo that I learned about some of ...

Add Yahoo as a preferred source to see more of our stories on Google. Far below the ocean’s surface, where sunlight can’t reach, some of the most unusual creatures on Earth thrive in complete darkness ...

A new blue octopus species, Microeledone galapagensis, was recently discovered near Darwin Island in northern Galápagos.

The bottom of the ocean has barely been explored, but every journey to the deep reveals wondrous new lifeforms. As underwater mining gains momentum, we risk destroying one of the Earth’s last great wi ...