Along a working California harbor, where gulls wheel over weathered pilings and the old Western Flyer—the ship John Steinbeck ...

Sea otters play a vital role in their ecosystems by controlling sea urchin populations. Without otters, urchins can overgraze kelp forests, causing widespread destruction. By keeping urchins in check, ...

Their disappearance, combined with a massive marine heat wave called “the blob,” set off a cascade of catastrophic ecological changes that turned these kelp biodiverse hot spots into vast sea urchin ...

If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now scientists are saying that those same ...

Sea urchins are ecosystem engineers, the marine equivalent of mega-herbivores on land. By grazing and shredding seaweed and ...

The Marine Mammal Center rescued an ailing sea otter from Morro Bay on Tuesday, but it was too sick to survive. The nonprofit started receiving calls about a young adult southern sea otter on Monday, ...

Zoo visitors can now say, "Hello!" to sea otters for the very first time at the Cincinnati Zoo & Botanical Garden. Kevin and Chloe, two southern sea otters, arrived at the Cincinnati Zoo on Nov. 17, ...

Researchers at University of Tsukuba have identified a brain-like cluster of neurons in sea urchin larvae, traditionally ...

A sudden, unexplained mass die-off is decimating sea urchins around the world, including catastrophic losses in the Canary ...

(AP) — It was a foggy October afternoon on the central California coast when the Marine Mammal Center got a call on their public hotline: there were distressed cries coming from the frigid waters in ...

The Canary Islands may represent the “missing link” in a global pandemic killing sea urchins. Sea urchins help build and maintain marine habitats in much the same way that large plant-eating animals ...

SEATTLE — The Seattle Aquarium has a new resident making a splash. Ruby, a southern sea otter from Monterey Bay Aquarium, arrived in Seattle this week and is already settling into her new home ...