even though they have the same genetic background. To locate the parts of the starfish body where head-coding genes are active, the researchers compared the genetic markers in a small Patiria ...

While the cartoon starfish Patrick Star from "SpongeBob Squarepants" is famously stupid, his real-life counterpart in science may in fact be all head. This at least is the conclusion of a landmark ...

Starfish are known for their adorable and symmetrical arms that seem to hug everything they touch. But it turns out that they may not be hugs after all – because starfish, researchers found, are ...

A starfish has five identical arms with a layer of “tube feet” beneath them that can help the marine creature move along the seafloor, causing naturalists to puzzle over whether sea stars have ...

A close examination of a collection of starfish in the Smithsonian revealed even more starfish inside those starfish. By Darren Incorvaia Christopher Mah, a biologist at the Smithsonian ...