19 dead dolphins have washed ashore since March 1, most of them between Port St Joe and Mexico Beach. What's happening?

A state of emergency has been declared in Florida as the worst red tide in a decade blackens the ocean water, killing dolphins, sea turtles and fish at a relentless pace. More than 100 tons of dead ...

Florida's red tide is a recurring harmful algal bloom that poses a persistent threat to the state's coast. The bloom, caused by Karenia brevis algae, can lead to significant fish kills and harm marine ...

It is not a bad start to the Red Tide season across western Florida, especially since no microorganisms have been detected in the southwest, where toxic algae blooms often occur during early fall. But ...

Add Yahoo as a preferred source to see more of our stories on Google. MEXICO BEACH — Deceased dolphins are washing ashore in unusual numbers. Nineteen dead bottlenose dolphins have been found in the ...

Add Yahoo as a preferred source to see more of our stories on Google. Every fall, coastal residents of Florida wait and wonder: Will the water stay clear, or will the red tide return? This harmful ...