Scientists are racing to save sea stars from extinction through breeding. Here's what they're learning about the different species—from arm-wrestling bat stars to bloodless blood stars.

THE development of Echinoderms from the egg presents one of the most striking of life processes known to us. The changes through which the individual passes are even more remarkable than those ...

Echinoderm means “spiny skin” in Greek. Echinoderms are found in ocean ecosystems worldwide, from rocky shores to the deep sea. Animals in this phylum are characterized by radial symmetry as ...

Activator of G-protein signaling C-terminus serves as a variable element to induce asymmetric cell division, facilitating developmental diversity among species.