The proliferations have become increasingly common in recent years and can have health and economic impacts in affected areas.

Toxic red algae blooms in Florida have spread to metropolitan counties on the state's east coast, triggering large-scale beach closures and fears of a plunge in the tourist economy. WEST PALM BEACH, ...

Don't want red tide to crash your spring break plans? Check out where algae is currently, what to know about blooms in ...

As red tide counts fall in Southwest Florida, Florida Fish and Wildlife suspects the toxic algae killed a manatee and a dolphin earlier this month. The 9-foot male manatee carcass was collected ...

Karenia brevis is a naturally occurring, single-celled organism belonging to a group of algae called dinoflagellates. Large concentrations can discolor water from red to brown, causing blooms to ...