Starfish, or sea stars, are brilliant and resilient ocean creatures. These bottom-dwelling echinoderms have a central disc body covered in tough calcium carbonate skin that helps provide support ...

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

By nurturing sunflower sea stars in captivity, researchers aim to one day restore a key predator to the Pacific Ocean.

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, ...

Here’s what the South Carolina Department of Natural Resources recommends if you find a sea creature washed ashore at the beach.

The heart is a vital organ for humans, but some creatures, such as flatworms, jellyfish, sea sponges, starfish, sea urchins, ...

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

Beaches in Noord-Holland were again blanketed with hundreds of starfish, marking the latest in a recurring natural phenomenon ...

Thousands of small starfish washed ashore during ... rapid water temperature changes can cold-stun the animals. “They essentially go into a sea turtle version of hypothermia, and they will ...

The sunflower sea star is a big starfish — more than 3 feet across — that roams the ocean floor in orange, yellow and purple. These invertebrates can grow as many as 24 arms, and they’re ...