Stars twinkle overhead, but under the sea, stars huddle together. Sea stars, that is! Sea stars (Asteroidea), commonly known as starfish, are invertebrates called echinoderms — creatures with hard, ...

Crown-of-thorns starfish are large, spiny, and eat coral reefs and without enough natural predators to control their population, someone had to create one. Would you like a crown-of-thorns starfish ...

A close-up photo of the common sunstar (Crossaster papposus), a starfish found in the North Atlantic and Pacific oceans. Photo: © Alexander Semenov Invertebrates ...

An ocean expedition conducted by the National Oceanic and Atmospheric Administration has come across something unusual in the waters off the southeastern United States. Researchers aboard NOAA's ...

It was the starfish arms walking off on their own that alerted biologist Steven Fradkin that something was terribly wrong at Starfish Point at Olympic National Park. Next he noticed white lesions ...

Hundreds of feet below the ocean’s surface, some starfish make their own light. And they can look right back at you too, with a teeny eye on the tip of each bendy starfish arm. p pulse Follow Look at ...

Sunflower sea stars affected by sea star wasting disease begin to disintegrate along the coast of Calvert Island in British Columbia, a region hit hard by the decade-long marine epidemic. Hakai ...

A mysterious disease is killing millions of starfish, and now it's having a profound effect on the food chain. Scientists say the sea urchin population has grown and they now cover the sea floor off ...

Giant, spiky starfish have been eating away at the Great Barrier Reef for decades. Along with climate change, pollution, development and a slew of other issues, these starfish are among the many ...