Massive sea urchin populations are destroying Hawaii's coral reefs faster than they can naturally rebuild themselves.

If you could walk the ocean floor off the coast of Cape Arago in Oregon in the summer, you’d find yourself in the mysterious green depths of a forest of kelp. Look up, and youd ...

Scientists found a delicious solution to an invasive species problem — eating long-spined sea urchin roe could save Tasmania's kelp forests.

As coral reefs struggle to adapt to warming waters, high levels of pollution and sea-level rise, ballooning sea-urchin ...

However, when she looked down, she spotted the source of her pain. She'd stepped on a sea urchin, and there were multiple spines sticking out of her left foot, near the big toe. "I knew it was ...

The larvae of long-spined Sea Urchin drift on a current south from New South Wales to waters in Tasmania. Due to warming climates and warmer waters, the species has taken hold, with the urchin ...

For 20 years, fishers from the district of Marcona, on Peru’s southern coast, have been recovering populations of red sea urchin, thanks to an alliance with the government. According to a ...

He noted that his wife eats kina, which is from the roe of a sea urchin, and that the couple never freeze what he brings in. "She’ll eat it the day it comes out of the ocean. We never freeze ...

The particular species of sea urchin impacted is a well-known protector of coral reefs and the deaths put the already fragile reef ecosystem in even more peril. Sign up here. The pandemic was ...