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 receive a lot of attention in California. Red urchins support a thriving fishery, while their purple cousins are often blamed for mowing down kelp forests to create urchin barrens. Yet for ...

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 are small and spiny, they have no eyes and they eat kelp and algae. Still, the sea creature’s genome is remarkably similar to humans’ and may hold the key to preventing and curing several ...

The sea urchin has long stood as an exemplary model for investigating embryogenesis and the intricate gene regulatory networks (GRNs) that dictate developmental processes. Studies in this field have ...

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 ...

Sea urchin skeletons may owe some of their strength to a common geometric design. Urchin skeletons display “an incredible diversity of structures at the microscale, varying from fully ordered to ...

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 ...

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 ...

Since last year, long-spined sea urchins in the Caribbean Sea have been dropping dead with no known cause. Now, scientists may finally have found the culprit. The species, called Diadema antillarum, ...

NEWPORT, Ore. (AP) — 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 ...