Tiny animals like oysters, mussels, zooplankton, and insect larvae filter debris and algae to keep lakes, rivers, and seas clear.

Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of time submerged thanks to a few clever tricks. When you purchase through links ...

Deep-sea creatures are some of the most skilled survivalists in the world. They endure isolation, extreme temperatures, and ...

Water covers more than 70% of the Earth’s surface, offering diverse habitats for countless species, including marine mammals. Some mammals have uniquely adapted to aquatic life, evolving specialised ...