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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Deep-sea researchers discovered this bright blue octopus near Darwin Island in northern Galápagos. Named Microeledone galapagensis ...

It could be easy to miss a blob the size of a golf ball. But its blue hue—the rarest color in nature—stood out against the sand, grabbing researchers’ attention. It wasn’t a blob but an adorable blue ...