A recent underwater expedition has revealed a thriving network of creatures at the bottom of deep-sea ocean trenches. These extreme environments, with crushing pressure, scant food, and no sunlight, ...

Thousands of marine species from microscopic zooplankton to the largest cetaceans rely on sound for survival and many have evolved unique oral and aural adaptations. Understanding them better could ...

An entire world lives deep under the ocean’s surface, far from human notice and as bustling as any city. Animals such as tubeworms and clams live crowded around plumes of methane that bubble up ...