Their disappearance, combined with a massive marine heat wave called “the blob,” set off a cascade of catastrophic ecological changes that turned these kelp biodiverse hot spots into vast sea urchin ...

Beneath the waves are millions of dangerous sea creatures – and they exist on every continent, from Oceania to Asia and ...

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

Researchers at University of Tsukuba have identified a brain-like cluster of neurons in sea urchin larvae, traditionally ...

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

Shaina Sadai has received funding from the National Science Foundation and the Hitz Family Foundation. Ambarish Karmalkar receives funding from National Science Foundation. When polar ice sheets melt, ...

Beneath the ice of Antarctica, scientists discover a “fish city” with protected nests more than 950 feet deep.

Antarctic sea ice reached its seasonal winter maximum on Sept. 17, 2025, but even at its greatest extent of the year, coverage remained strikingly low by historical standards. Satellite imagery and ...

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 ...

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 ...

Machines mining minerals in the deep ocean have been found to cause significant damage to life on the seabed, scientists ...