Sea urchins are dying across the Caribbean at a pace scientists say could rival a mass die-off that last occurred in 1983, alarming many who warn the trend could further decimate already frail coral ...

When Mya Breitbart heard that something was killing off sea urchins en masse, she thought: Oh no, not again. The long-spined sea urchin—a fist-size ball of black defensive spines—is a crucial and ...

Sea urchins, which seem to spend their lives idly attached to undersea rocks, were considered simple creatures without eyes, ...

What if one of the biggest threats to kelp forests could help bring them back to life?That question has helped a University ...

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star. That’s the plot line coming from a small upstart research facility in Moss ...

Everyone prepare to have your minds blown six ways to Sunday, because scientists have released another fascinating view of… sea urchins. This time around, they captured cross-sectional images of the ...

When a team of scuba-diving marine biologists explored reefs off the central coast of California, they found themselves repeatedly swimming through lush kelp forests interspersed with patches of ...

During this dive, contact with a sea urchin causes an immediate injury. The incident happens quickly near the reef, where ...

A species of sea urchin is turning parts of the south-eastern Australian coast into barren wastelands, writes Kylie Andrews. Go snorkelling or diving off most of the coast of south-east Australia and ...

HIRONO, Iwate Prefecture--Sea urchin are a culinary delicacy, but because their shells are often seen as too difficult or costly to recycle, they end up getting tossed out in bulk. But a local potter ...

S/ Naito Mika, NTV Reporter / The starting bell has rung. The year’s first auction has begun.This year’s first fish ...

Everyone prepare to have your minds blown six ways to Sunday, because scientists have released another fascinating view of… sea urchins. This time around, they captured cross-sectional images of the ...