Join us on an exciting underwater adventure as we dive into the art of freediving and spearfishing. In this video, we ...

In the cold waters off Schoodic, Gouldsboro’s Springtide Seaweed, the largest organic seaweed farm in the United States, is ...

With spikes as long as knitting needles, long-spined sea urchins may look like underwater villains, but their appetite for algae makes them the unsung heroes of Caribbean reefs. Courtesy of the ...

What you can see in this YouTube clip is very different from most of the underwater footage that you will come across online. It features a diver picking up sea urchins using a metal tool and breaking ...

South of Tampa Bay, in Florida, wedged between a quiet neighborhood and a mangrove forest, custom-designed aquariums are home to thousands of sea-urchin larvae that tumble and drift through the water.

Biologists thought that marine heat waves lowered urchin reproduction only at lethal temperatures. A new study shows ...