What's the rarest ocean animal? Discover the rare and endangered ocean animals along with those that are rare because they're ...

Rising human exploitation of the oceans is pushing ever further into regions that scientists increasingly suspect are full of conscious life. New research into creatures from sperm whales to octopuses ...

From three species of Arctic seals to more than half of all birds globally, several animals have slipped closer to extinction ...

Beneath the surface of the world's oceans, powerful currents act like invisible highways for marine life. These massive water ...

What it eats: As an adult, it doesn't! All of the snail's nutrition is generated internally, by endosymbiotic bacteria — microbes that live in the snail's gut. The scaly-foot snail, or volcano snail, ...