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

Ravenous, brainless and covered with spikes, sea urchins have evolved to not be messed with. Off of the south coast of Oregon, one kind of urchin in particular, the purple sea urchin, is enjoying an ...

Sea urchins are sphere-shaped or flat creatures that live in the ocean and are completely covered in protective spines. On the tips of these spines are tiny claw-like pincers called pedicellariae.‌ ...

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

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 ...

NEWPORT, Ore. — Tens of millions of voracious purple sea urchins that have already chomped their way through towering underwater kelp forests in California are spreading north to Oregon, sending the ...

Sea urchins are small ocean creatures found around the world. They are covered in spikes and have a painful sting if you bump or step on one. Stings are often red and swollen and may cause serious ...

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

GOLETA, Calif. — Draped atop pillows of sushi rice or displayed in its forebodingly spiny seven-inch shell, the ubiquity of red sea urchin at high-end sushi restaurants and raw bars is a symbol of ...

The country’s first-ever festival dedicated to sea urchin, or more simply called uni in the culinary world, is taking place June 17th-19th in on the Mendocino Coast. As one of the biggest producers of ...

A woman has captivated attention online after a surfing trip in February led to weeks of pain and immobility—and then surgery in March. Pilates instructor Christina Black, 40, was surfing in her usual ...