“Knowing that brittle stars can learn means they’re not just robotic scavengers like little Roombas cleaning up the ocean floor,” Notar said. “They're potentially able to expect and avoid predators or ...

The sequenced genome of the brittle star revealed unique gene arrangements and provides insights into ancient genes involved in limb regeneration. Sneha Khedkar is an Assistant Editor at The Scientist ...

The paper J. Delroisse et al., “A puzzling homology: A brittle star using a putative cnidarian-type luciferase for bioluminescence,” Open Biology, 7:160300, 2017. Degrees of separation Although the ...

Dated to 155 million years old and preserved so well you can see its hook-shaped arm spines, the Ophiactis hex fossil ...