Life in the deep ocean evolves under crushing pressure, scarce food, cold water, and darkness that sunlight never reaches.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Blue blood may look alien, but it’s one of evolution’s most ...

Deep-sea animals have been getting a lot of attention lately because every new video or photo from the ocean’s deepest layers shows creatures that look completely different from anything we see on ...