Sea urchins may just look like a ball of spikes waiting to be stepped on at the tide pool, but there's much more to these barbed beasts than just roe and teeth. New research reveals sea urchin nervous ...

Add Yahoo as a preferred source to see more of our stories on Google. A red sea urchin, Strongylocentrotus franciscanus, near Becasses island. Joel Reyero/dpa Consider the sea urchin. Specifically, ...

Here’s what you’ll learn when you read this story: An international team of researchers led by marine biologist Periklis Paganos of the Stazione Zoologica Anton Dohrn in Naples, Italy, and molecular ...

South of Tampa Bay, in Florida, wedged between a quiet neighborhood and a mangrove forest, custom-designed aquariums are home to thousands of sea-urchin larvae that tumble and drift through the water.

In Northern California, purple sea urchins are decimating kelp forests. Though the species of urchin causing problems may vary by region, the damage is the same. NNehring/iStock This article is from ...

With their pointy spines, sea urchins are not warm and fuzzy marine animals that people want to snuggle up to. While they are an essential part of the ocean’s ecosystem, they can puncture a person’s ...

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Consider the sea urchin. Specifically, the painted urchin: Lytechinus pictus, a prickly Ping-Pong ball from the eastern Pacific Ocean. The species is a smaller and shorter-spined cousin of the purple ...

Here’s what you’ll learn when you read this story: It used to be thought that sea urchins only had a primitive nervous system, but new research has found that they are far more complex than that. The ...