Lacking natural predators and able to survive long after food sources are diminished, purple sea urchins are devastating kelp forests, an important carbon sink. The founders of a Newport startup have ...

Researchers have provided the first experimental evidence that a species of endangered sea star protects kelp forests along North America's Pacific Coast by preying on substantial numbers of ...

Long-spined sea urchins have emerged as an environmental issue off Australia's far south coast. Native to temperate waters around New South Wales, the urchins have expanded their range south as oceans ...

Sea urchins have mixed reviews in the saltwater aquarium scene. Some people love them because they are fascinating to watch and make outstanding algae eaters. Others find them difficult to care for ...