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.

Starfish are classed as echinoderms, a word which comes from the Ancient Greek for “hedgehog skin.” There are many types of starfish and this one is particularly adapted to living in sandy, muddy ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

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 ...

Follow this tag to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings Personalized Content Follow this author to personalize your feed and get ...

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 ...

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 ...