Some Florida Keys coral reefs are losing their color weeks earlier than normal this summer because of record-high water temperatures, meaning they are under stress and their health is potentially ...

The Keys are experiencing water temperatures above 90 degrees Fahrenheit, which would normally not occur until August or September, he said. The hot water could lead to a "disastrous bleaching ...

This photo provided by the Florida Keys National Marine Sanctuary, shows a finger coral impacted by record-high water temperature at Eastern Dry Rocks off Key West, Fla., in the Florida Keys ...

Scientists with NOAA this week raised their coral bleaching warning system to Alert Level 2 for the Keys, their highest heat stress level out of five. That level is reached when the average water ...

This photo provided by the Florida Keys National Marine Sanctuary, shows restored coral colonies that are still healthy despite the record-high water temperatures at Eastern Dry Rocks off Key West, ...