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 ...

The entire body of a sea urchin is what researchers are now calling an “all-body brain,” with neurons that function as a ...

Two pioneering studies by researchers from the School of Zoology and the Steinhardt Museum of Natural History at Tel Aviv ...

The pointy shell of sea urchins hides a remarkably complex neural network that resembles the brains of vertebrates, new research suggests.

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

Sea urchins are dying across the Caribbean at a pace scientists say could rival a mass die-off that last occurred in 1983, alarming many who warn the trend could further decimate already frail coral ...

I tested what really happens when a fake foot steps on a sea urchin to see how dangerous the spines are and how they react ...

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 ...

In the cold waters off Schoodic, Gouldsboro’s Springtide Seaweed, the largest organic seaweed farm in the United States, is ...

A simple dive turned into a painful experience fast. See the real underwater moment I hit a sea urchin and how I dealt with ...

Along the Monterey Peninsula, “urchin barrens” with no kelp (foreground) are interspersed with remnant patches of kelp forest (background). (Photo by Michael Langhans) In 2019, researchers found a ...

Exactly how much human-generated carbon emissions the world’s oceans can soak up—and how this is done—is a question scientists are still pondering, but it’s accepted that the deepest seas can be an ...