Scientists have been looking for ways to combat the spread of sea urchins. Ensuring healthy populations of predators is one ...

Scientists are racing to save sea stars from extinction through breeding. Here's what they're learning about the different species—from arm-wrestling bat stars to bloodless blood stars.

explain how adaptations of animals enable them to survive in different environments. Sea stars, sea urchins ... and some species of sea stars are even able to grow a new body from a severed ...

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 ...

Opinions expressed by Forbes Contributors are their own. I write about the ocean, climate change, and the future of our planet. Along the coast of British Columbia, Canada, researchers have been ...

The Society for the Protection of Nature in Israel (SPNI) is calling on the public to report urchin sightings through its SeaWatch app, emphasizing that all sea urchins in Israel are protected species ...

But now the mysterious decline of a key species of sea urchins poses a new threat, sparking fears this precious habitat will be increasingly choked up by fast-growing green algae. The effects on ...

For the last decade, California's offshore seafloors have been missing a massive, colorful predator that keeps kelp-munching sea urchins ... giving them different foods, such as urchins and ...