The impact on levels of carbon dioxide in the Earth's atmosphere by the decaying remains of a group of marine creatures that includes starfish and sea urchin has been significantly underestimated. The ...

The evolution of the sea star, sea urchin, and other echinoderms’ body shape during the Cambrian and Ordovician periods was faster and more dramatic than their ecological innovation, according to a ...

How humans evolved from the very first animals over the last 600 million years is an endlessly fascinating question. When piecing together the many steps leading from our first simple animal ancestor ...

Animals such as sea stars, sea urchins and sea lilies bury much more carbon than anticipated, according to the first study to estimate echinoderms' contribution to ocean carbon storage. Studies of ...

How did starfish get their five arms? This is a question that puzzles zoologists. Biologist Dr. Marc de Lussanet from the Institute of Psychology at Münster University has now found an explanation.