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 ...

A sea urchin is a study in contradictions: tenacious and spiky on the outside, vulnerable and velvety on the inside. With a beauty both fragile and fierce, it can burrow for decades into rock, but die ...

The Pacific purple sea urchin's appetite for kelp threatens marine ecosystems along the California coast as it ravages the "lungs of the ocean."... Transforming the 'Roombas of the ocean' into ...

In one signature dish, raw North Atlantic shrimp are washed up on a “beachscape” of grasses, frozen pebbles and dried-urchin “sand” that showcases the Norwegian green’s murky orange innards. Sloan ...

Scientists and tidepool visitors have known for decades that sea urchins like to cover themselves up. They have tube feet in addition to their spines and each one ends in a suction cup. They pick up ...