Cushion starfish is a catch-all term for a variety of starfish species. They are distinctive for their rounded bodies and short arms. The round shape is built on a calcium-rich structure that defends ...

One starfish species doesn't seem to want to grow up. Scientists have discovered a disc-shaped animal in the deep Pacific Ocean whose body plan is stuck in the juvenile phase of the life cycle.

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Sunflower sea stars have been found alive ten years after they were thought to have been wiped out by disease. Find out more ...

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Researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have revealed the evolutionary history of the crown-of-thorns starfish—a predator of coral that can ...

Researchers have revealed the evolutionary history of the crown-of-thorns starfish -- a predator of coral that can devastate coral reefs. Their findings shed light on how the populations of these ...

With a large variety of starfish in the ocean, there are many unique appearances that can be surprising. One example is the cushion starfish. These marine animals are famous for their inflated bodies ...