University of Washington scientists have been working for years to build a plan to grow the sea stars in a lab and release ...

It was voted as Australia’s Best Beach a few short months ago, but under the surface a dark shift is taking place. An army of ...

No one would call Hamono the best sushi restaurant in Portland. But everything we tried was good enough, from the tuna ...

The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures ...

With its ability to grow to as big as three feet across, armed with up to 24 limbs covered with tiny suction tubes, the sunflower star is a purple urchin-eating machine. But Bank said the sunflower ...

More information: Kelly J. van Woesik et al, Scaling-up coral reef carbonate production: Sea-urchin bioerosion suppresses reef growth in Hawaiʻi, PLOS One (2025). DOI: 10.1371/journal.pone.0324197 ...

Sea urchin, also known as "uni," is the true embodiment of the flavor of the ocean. Uni is *technically* the sea urchin's genitals, but it tastes better than it sounds.

Mounting evidence This isn’t the first time Port Jackson sharks (Heterodontus portusjacksoni) and crested hornsharks (Heterodontus galeatus) have been known to eat sea urchins. The first evidence of ...

Sea urchins feed on kelp and in their march south, have reduced kelp cover. This has added to pressure on kelp forests, which face many threats.