But headless animals called brittle stars have no brains at all and still manage to learn through experience, new research reveals. Relatives of starfish, brittle stars spend most of their time hiding ...

No it's a beautiful echinoderm! Feather stars (Crinoidea) are one of the prettiest animals in the ocean, coming in a vast array of colors and patterns. These elegant animals are related to starfish ...

Brittle stars are echinoderms, marine invertebrates that also include sea cucumbers, sea urchins and starfish. Prior research has shown that many species of brittle stars are capable of ...

(CN) — Paleontologists in Luxembourg recently identified a new species of brittle star — a sea-dwelling echinoderm similar in appearance to the starfish — that thrived during the Cretaceous period.

They’re after brittle stars—marine animals with long, slender, serpent-like arms—to peek into the genes that give them distinct characteristics, including the power of regeneration. “This is a huge ...