When it comes to raising and propagating young, different creatures have different approaches. Mammals typically have a small litter of offspring that they raise to varying degrees before setting them ...

Sea stars are among the world’s most bizarre marine creatures. They have no blood and no brains. They eat by vomiting their stomach out of their mouth and engulfing prey within it. They move around on ...

FRIDAY HARBOR — Meet the sunflower sea star. Here, in the burbling tanks at the University of Washington’s Friday Harbor Laboratories, these charismatic orange and maroon sea stars are snacking on ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. While they have no backbone, sunflower sea stars (Pycnopodia ...

Growing a yard across and bearing two dozen limbs, the sunflower sea star prowls the deep, eating snails, abalones and urchins. Along the Pacific Coast, this multicolored monster is a top predator. Or ...

A mysterious epidemic has wiped out billions of sea stars in recent years. A new study finally identifies the bacterium responsible. By Alexa Robles-Gil Christopher Harley, a marine biologist at the ...