Across tropical and subtropical seas, a quiet biological crisis is unfolding as vast populations of reef‑grazing sea urchins ...

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

Now, scientists report that a sudden and widespread collapse of sea urchins has reached the Canary Islands. A new study shows ...

Researchers report catastrophic population losses from the Canary Islands to the Caribbean, warning of severe ecological ...

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

A surprising study has revealed that an unrecognized marine pandemic is causing mass mortality in bringing some sea urchin ...

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 ...

Researchers alarmed by the proliferation of purple urchin that have decimated kelp forests along the north coast are experimenting with a somewhat more brute force tactic for getting rid of them - ...

Every summer, millions of people head to the coast to soak up the sun and play in the waves. But they aren’t alone. Just beyond the crashing surf, hundreds of millions of tiny sea urchin larvae are ...

Sea urchin is a delicacy in Asia, South America, Europe, and increasingly in California, where the uniquely flavored roe, or uni, is used in sushi, gourmet cuisine, and products such as sauces and ...

Nominated for one of the best fish tacos in U-T San Diego’s BEST Readers Poll, Poppa’s Fresh Fish Company is better known for serving live sea urchin at local farmer’s markets. Chris Cantore samples ...

Exactly how much human-generated carbon emissions the world’s oceans can soak up—and how this is done—is a question scientists are still pondering, but it’s accepted that the deepest seas can be an ...