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 ...

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 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 ...