Stunning footage of a baby sea urchin has been awarded fifth place in the annual Nikon Small World in Motion video competition.

A hidden environmental crisis lurks beneath the crystal clear waters of Australia's east coast as long-spined sea urchins ...

Gouldsboro, Maine-based Springtide Seaweed was the creator of the Maine Seaweed Exchange in October 2017, which helped assist ...

A sea urchin fossil believed to be between 65 million and 100 million years old was found on Cromer beach in Norfolk.

This study measured the growth rate of coral reefs in Honaunau Bay, Hawaii, using on-site data gathering and aerial imagery. Researchers found that the reefs are being eroded by sea urchin populations ...