The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures ...

Trace metals such as iron or zinc that are stored in deep-sea sediments are lost forever to phytoplankton on the ocean ...

Sea urchins have mixed reviews in the saltwater aquarium scene. Some people love them because they are fascinating to watch ...

Researchers have identified a species of blue-green algae in the Duluth-Superior harbor that’s capable of producing harmful ...

Ten fur seals and hundreds of fish washed up dead on a Pribilof beach last year. New research links the die-off to warming ...

After a brutal spring of toxic algae blooms turning some sea lions into sick, snarling seaside hazards, anxious beachgoers can breathe a sigh of relief as experts say the worst of the poisoning is ...

This is the fourth consecutive year a lethal algae bloom has occurred along the Southern California coast, fueled by an upwelling of nutrient-rich waters from the deep ocean. Research teams are ...

You're by the water's edge, observing a turquoise lagoon, then a little further away, you see an almost black sea at the foot ...

which has been struggling for nearly four months to keep pace with a toxic algae bloom that sickened and killed animals all along the California coast, celebrated the release of four sea lion pups ...

Researchers have identified 230 novel giant viruses present in our waterways and oceans using an innovative computing method.