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

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

Oregon has lost two-thirds of its kelp forests since 2010. Efforts to remove hundreds of thousands of purple urchins might ...

Sea urchins are dying off at an alarming rate in Israel's Gulf of Eilat. The die-off of sea urchins first began in the eastern Mediterranean Sea and has now spread to the neighboring Red Sea. The Red ...

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

When Mya Breitbart heard that something was killing off sea urchins en masse, she thought: Oh no, not again. The long-spined sea urchin—a fist-size ball of black defensive spines—is a crucial and ...

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star. That’s the plot line coming from a small upstart research facility in Moss ...

Last year, sea urchins in the Caribbean started getting sick — shedding their spines, dying off and throwing reef ecosystems into chaos. Now, scientists think they’ve caught the killer in this marine ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Sperm have a unique sense of direction. The reproductive cells of ...

A fossil believed to be between 65 million and 100 million years old was found on a Norfolk beach. The fossilised sea urchin was discovered by Mark Fairclough at Cromer on Wednesday. Mr Fairclough ...