The brightly coloured coral reefs of the Red Sea are an underwater paradise ... placing a dead black sea urchin - its body the size and shape of a flattened tennis ball - into my hands.

The ocean along the Mendocino Coast is not only beautiful, it’s also home to some fascinating creatures. Take the sunflower ...

Warming sea water has triggered an explosion in the ... Otter Force One, an autonomous underwater robot that can gather the aquatic interlopers and put them in a bag for removal.

Underwater kelp forests are key to combating ... show that the sunflower sea stars could potentially regulate purple sea urchin populations and, as a result, restore and maintain healthy kelp ...

Considered a delicacy in several parts of the world, sea urchin, or uni in Japanese, is prized for its unique flavor. But the cost of the gonads — the orange tongues found inside an urchin ...