See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Sea urchins have a body that is entirely made up of "head"—with a ...

An international team of researchers, including scientists from the Museum für Naturkunde Berlin, has uncovered a surprisingly complex nervous system in sea urchins. The animals appear to possess an ...

A series of new, disturbing studies from Tel Aviv University reveals a deadly epidemic causing mass mortality of black sea urchins in the Mediterranean Sea and the Gulf of Eilat. The entire population ...

Demand for sea urchins used in popular Mediterranean dishes is adding pressure to marine ecosystems near Naples. The problem ...

In January, Tel Aviv University scientists at the Interuniversity Institute for Marine Sciences in Eilat noticed that in the span of just a few days, the entire population of the black sea urchins in ...

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 ...

Researchers found a large gathering of sea urchins on the ocean floor all wearing “hats” made of debris, according to the NOAA. Screengrab from video by NOAA. Researchers stumbled, uninvited, onto a ...

Under the bright blue water of the Gulf of Aqaba on the Red Sea, the view is stunning. Expansive coral reefs teeming with life; colorful fish and invertebrates. But something crucial has gone missing ...