Discover the fascinating biology of starfish, their vital ecological role, and the threats they face from human activity.

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 ...

MANHATTAN BEACH, Calif. (KABC) -- An underwater disease is killing starfish up and down the West Coast. There are fears this disease could spread even further. It's having an impact on the ocean food ...

Crown-of-thorns starfish are large, spiny, and eat coral reefs and without enough natural predators to control their ...

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 ...

A mysterious wasting disease seen in starfish around the world may be the result of respiratory distress tied to warming oceans, according to a new study. These environmental changes are likely ...

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 ...