They are members of the phylum Echinodermata, which first appeared during the Cambrian explosion. Their list of close relatives includes starfish, sand dollars (themselves irregular, flattened sea ...

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

Learn how these slow-moving creatures recycle nutrients through their poop to keep coral reefs thriving and oceans balanced.

Kelp once formed “underwater rainforests” on the California coast, but these fragile ecosystems have largely disappeared. At a marine lab near the Bay Area, scientists are trying to bring them back.

Wondrous kelp beds harbor a complex ecosystem that’s teeming with life, cleaning the water and the atmosphere, and bringing ...

Malaysian, Taiwanese, Filipino, Korean, Italian. There was no neat way to categorise the best new restaurant openings of 2025 ...

REVIEW Some things in life fade without grievance, like my first and last perfumed bite of Sicilian sea urchin or the final ...

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 ...

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

Loggerhead hatchlings travel thousands of miles guided by an astonishing built-in navigation system that uses the Earth’s magnetic field. Scientists trained young turtles to “dance” in response to ...