Lacking natural predators and able to survive long after food sources are diminished, purple sea urchins are devastating kelp ...

One of the biggest drivers in bull kelp loss appears to be a boom in purple sea urchin populations. The urchins multiplied around the time a mysterious disease decimated sea star populations ...

Warming waters and over-hunting the marine mammals that once brought balance to the ecosystem have led to an overpopulation of Pacific purple sea urchins. And while sprawling urchin barrens sound like ...

The 'Sea Urchin' was originally used to bring the illicit substances to Australian shores but broke down on Friday and was returned to the Hervey Bay Marina, where it has sat ever since.