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 ...

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 ...

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 ...

Biologists thought that marine heat waves lowered urchin reproduction only at lethal temperatures. A new study shows ...

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star. That’s the plot line coming from a small upstart research facility in Moss ...

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 the delicate marine ...

As an environmental disaster unfolds on the ocean floor, where purple sea urchins continue to devastate kelp beds, Mendocino County chef Matthew Kammerer is doing his part to help eradicate them -- by ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Tens of millions of voracious purple sea ...

When a team of scuba-diving marine biologists explored reefs off the central coast of California, they found themselves repeatedly swimming through lush kelp forests interspersed with patches of ...

April 28 update: The team spent the last few weeks of the spring 2022 semester testing their prototype in the University of Colorado Boulder Rec Center pool. New video shows the underwater vacuum in ...

NEWPORT, Ore. >> 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 the ...