Stars twinkle overhead, but under the sea, stars huddle together. Sea stars, that is! Sea stars (Asteroidea), commonly known as starfish, are invertebrates called echinoderms — creatures with hard, ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. While they have no backbone, sunflower sea stars (Pycnopodia ...

CORVALLIS, Ore. – The “baby boom” of ochre sea stars that followed a population crash a decade ago is enabling the species to recover on the Oregon Coast, according to new research by scientists at ...