Stars twinkle overhead, but under the sea, stars huddle together. Sea stars, that is! Sea stars (Asteroidea), commonly known ...

Starfish (sea stars) belong to a group of animals called echinoderms. Echinoderms and humans are closely related, yet the life cycle and anatomy of sea stars are very different from ours.

The vast majority of animals are bilaterally symmetrical, or bilaterian, meaning a single line can divide their body into two identical halves. But starfish—as well as sand dollars and sea ...

Keywords echinoderms, sea stars, sea urchins, sand dollars, radial symmetry, spiny skin, water vascular system, locomotion, feeding habits, regeneration, reproduction, scientific research Email us ...

Divers clutch wooden spears as they plunge beneath the waves, hunting hordes of hungry starfish destroying the coral reefs ...

From starfish and sea slugs to jellyfish and sponges, the ocean's invertebrates are some of the most ancient and diverse critters on Earth. And so are their superpowers, as marine biologist Drew ...

Animals Beachgoers shocked by massive starfish spotted at Texas beach Gray sea stars usually grow about 12 inches long and also have the ability to regenerate an arm.

Animals Beachgoers shocked by massive starfish spotted at Texas beach Gray sea stars usually grow about 12 inches long and also have the ability to regenerate an arm.