NOAA says the event known as the 2018 red tide outbreak caused immense damage to hotel and restaurant industries in both ...

A body of water spanning parts of Eastern Samar has tested positive for a toxic microorganism that causes red tide. In a June ...

Southern California beaches have recently experienced a “red tide” bloom of microscopic algae known as dinoflagellate, which give the ocean a rusty brown hue during the day and an electric ...

Red tide, a problem that has sporadically plagued Florida's Gulf Coast water for years, is back. Red tide is a toxic algal bloom that originates dozens of miles offshore when there are high ...

Red tides are a type of harmful algal bloom, and they occur worldwide. There are over 300 species of red tide, and within the United States, these blooms appear in three main coastal areas ...

For the first time, researchers identified nearly a dozen viruses associated with red tides off Florida’s coast that are harmful and costly. Also known as harmful algae blooms, red tides — the ...

Red tide has waters off Southwest Florida in the "kill zone." Caused by the Karenia brevis organism, red tide is no stranger ...

Large concentrations can discolor water red to brown, causing blooms to be called "red tides." K. brevis produces brevetoxins capable of killing fish, birds and other marine animals. It can also ...

In 20 Florida locations, concentrations were higher than 100,000. Health alerts for red tide have been issued in Lee, Collier counties. Toll-free hotline provides recording on red tide conditions.

The Florida Department of Health in Lee County still has advisories posted for several area beaches as red tide counts continue to hover well above the toxic range. DOH says coastal residents ...