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

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

Archaeologists associated with Mexico’s National Institute of Anthropology and History (INAH) have discovered five starfish ...

Unlike larger animals, smaller species like jellyfish, starfish, seahorses and sand dollars have little control over where the ocean takes them. “They’re not very strong swimmers, so they’re ...