Already, the new kelp is helping the ecosystem show glimpses of its former self. During a recent dive, a plump sunflower sea ...

A sunflower sea star may be about to snack on some sea urchins in California. Brent Durand/Moment via Getty Images Before 2013, divers on North America’s west coast rarely saw purple sea urchins. The ...

It was the beginning of a sea star wasting disease outbreak that would nearly wipe out all the sunflower sea stars along the coast. Their disappearance, combined with a massive marine heat wave called ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Rebecca Vega Thurber, University of California, Santa Barbara (THE CONVERSATION) ...