Newfoundland and Labrador's sea urchin fishery is on the verge of collapse, as the fish harvesters and divers are confined to ...

Biologists thought that marine heat waves lowered urchin reproduction only at lethal temperatures. A new study shows ...

Sea urchins are dying across the Caribbean at a pace scientists say could rival a mass die-off that last occurred in 1983, alarming many who warn the trend could further decimate already frail coral ...