The return of kelp forests in northern California will depend in part on the return of sunflower stars, a kind of starfish ...

The porcupine urchin is simultaneously a threat to the Mediterranean and a vital part of the Gulf of Eilat's marine ecosystem ...

SAN FRANCISCO — For the last decade, California’s offshore seafloors have been missing a massive, colorful predator that ...

Is your uni male or female? Chef Yoshikazu “Kazu” Ebina dishes on the difference between two during Taikun's omakase popup in ...

The final week of the year will bring low tides to San Diego’s coastline, giving tide poolers one more chance this month to ...

Lacking natural predators and able to survive long after food sources are diminished, purple sea urchins are devastating kelp ...

Sea otters in California are helping to protect kelp forests from an invasion of purple sea urchins. NBC News' Gadi Schwartz visits the Monterey Bay Aquarium to talk to research scientists and to dive ...