When we think of marine life, we usually picture colorful coral reefs or dense seaweed forests filled with fish and other ...

The ocean’s deepest reaches harbor some of the most alien and terrifying life forms on Earth. Far below where sunlight fades to eternal darkness, creatures have evolved in ways that seem to defy ...

Jellyfish and sea anemones are curious creatures: these organisms evolved without a brain and, as scientists discovered in the past several years, don’t need one to sleep. The animals do, however, ...