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

A sudden, unexplained mass die-off is decimating sea urchins around the world, including catastrophic losses in the Canary ...

The Canary Islands may represent the “missing link” in a global pandemic killing sea urchins. Sea urchins help build and maintain marine habitats in much the same way that large plant-eating animals ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Urchins are gathered ...

I was having a peaceful day in the water… until the ocean decided to stab me. One wrong step, one spiky surprise, and ...

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 entire body of a sea urchin is what researchers are ...

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

Young sea urchins spread neuron-rich tissue across their bodies. A new atlas shows complex neural and light sensing networks.

Millions have seen the heart-wrenching video of a polar bear clinging to life, its white hair limply covering its thin, bony frame. Shot by Paul Nicklen and Cristina Mittermeier of the nonprofit group ...

Covered in lush fur, the thickest in the animal kingdom, sea otters can live their entire lives in the ocean, feeding heavily upon seafloor animals such as shellfish and crustaceans. Eelgrass meadows ...