Long-spined sea urchins have emerged as an environmental issue off Australia's far south coast. Native to temperate waters around New South Wales, the urchins have expanded their range south as oceans ...

Australian scientists have found an unlikely accomplice in the fight against an exploding sea urchin problem that is stripping the continent's temperate reefs bare. The East Australian Current is ...

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 ...

Scientists have made a significant breakthrough in understanding the ecological balance in the oceans and the ongoing climate change crisis. They have identified Vibrio pectenicida as the cause behind ...

Before 2013, divers on North America's west coast rarely saw purple sea urchins. The spiky animals, which are voracious kelp ...

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 ...