A critically endangered sunflower sea star. (Courtesy of the Association of Zoos & Aquariums) Scientists say they have at last solved the mystery of what killed more than 5 billion sea stars off the ...

The Aquarium of the Pacific will soon celebrate two new additions to the institution’s offerings — including a yearlong special exhibit and an interactive touch pool. The exhibit, dubbed “Stars of the ...

A few weeks ago, Sarah Gravem lowered a “ravenous, terrifying predator” from her boat down to the ocean floor off Sitka. Then she released it. In a slow-motion drama, sea urchins fled as a pizza-size ...

In this photo provided by the Hakai Institute, researcher Alyssa Gehman from the Hakai Institute counts and measures sunflower sea stars in the Burke Channel on the Central Coast of British Columbia, ...

WASHINGTON (AP) — Scientists say they have at last solved the mystery of what killed more than 5 billion sea stars off the Pacific coast of North America in a decade-long epidemic. UN chief defends ...