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 ...

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

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.‌ ...

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 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 ...

Off the Northern California coast, there is a crisis beneath the waves. The kelp forest – seaweed that provided habitat and food for much of life in the ocean – is gone, wiped out by an exploding ...

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 ...

Sea urchins are dying off at an alarming rate in Israel's Gulf of Eilat. The die-off of sea urchins first began in the eastern Mediterranean Sea and has now spread to the neighboring Red Sea. The Red ...

Wobbly blobs that look like grape jelly cling to the sides of seawater-filled tanks on the dock at Port Orford, Oregon. These are purple sea urchins, and this is an urchin ranch. Inside the urchins is ...

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 ...