California's offshore seafloors have been missing a massive, colorful predator that keeps kelp-munching sea urchins in check.

A mysterious disease nearly wiped out sunflower stars in 2013. But sunflower stars may once again dot the seabed, thanks to ...

The final week of the year will bring low tides to San Diego’s coastline, giving tide poolers one more chance this month to ...

The sunflower sea star is a big starfish — more than 3 feet across — that roams the ocean floor in orange, yellow and purple.

Thousands of small starfish washed ashore during low tide ... there’s no reason not to return the animal to the ocean. “If you see a sea star or a seahorse or something like that washed ...

Scientists don't like the term "starfish" because the sea star isn't a fish. Sea stars are invertebrates, according to the ...

Deep in the underwater world, animals like starfish use unusual ways to escape predators. In an act called autotomy, starfish shed one or more of their limbs to flee their hunters. The severed, ...

"Tens of thousands" of stranded starfish have been washed up on the ... Mr Davies photographed thousands of the stranded sea creatures on Coppet Hall Beach in Pembrokeshire.