The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures that could erode the reef past the point of no return, new research has found ...

Kelp forests are underwater thickets of algae that keep the world’s oceans rich with biodiversity. And scientists just ...

A sea urchin wearing a 3D printed cowboy hat. Wilson Souza. Emma Verling, who holds a doctorate in marine ecology from University College Cork, described to Newsweek how sea urchins mount hats ...

A hardy urchin species shows potential to relieve pressure on more vulnerable species, according to new research by California Sea Grant-funded scientists.

Another urchin species, the purple sea urchin (S. purpuratus), has been harvested on a limited and experimental basis to little success, in part because of smaller sized roe.But the purple urchin is ...

Sea urchin or uni is definitely an acquired taste. But, what part of this unique shellfish are you actually eating when you ...

Sea urchin stings can be painful and can lead to infection. They are not usually dangerous, but a few species have a toxin that can have fatal consequences. First aid steps include removing the ...

Many people may not realize that the humble sea urchin is a titan when it comes to the study of biology. Now, researchers from Japan have discovered that sea urchins could help biological studies ...

Sunflower sea stars — the giants of sea stars, with up to 21 limbs — eat sea urchins. In their absence, the sea urchin population proliferated. Sea urchins eat kelp, and the explosion in their ...

A sea-borne pandemic that wiped out sea urchin populations in the Red Sea has spread and is taking out the species in parts of the Indian Ocean and could go global, scientists in Israel say.

Sea urchin is a delicacy in Asia, South America, Europe, and increasingly in California, where the uniquely flavored roe, or uni, is used in sushi, gourmet cuisine, and products such as sauces and ...