Harmful algal blooms are not all the same. That's true even of the blooms within northwest Ohio, where researchers have long known that the strain of cyanobacteria that typically dominates blooms in ...

What first seems like some type of unsettling waterborne disease is simply an algal bloom. Algal blooms occur when microalgal or macroalgal species proliferate to huge numbers in aquatic environments.

New York Sea Grant has published a revised brochure to educate dog owners on how to protect their pets from harmful algal blooms, including signs of exposure and symptoms.

The National Oceanic and Atmospheric Administration and its research partners forecast a mild to moderate harmful algal bloom season this summer.

A flock of brown pelicans was released back into the wild near the Huntington Beach Pier. They had been nursed back to health after being sickened by a toxic algal bloom.

The blooms have become an annual problem in the Great Lakes. DNA studies show what’s growing there and why it’s dangerous.

Harmful algal blooms form when naturally occurring blue-green algae multiply rapidly, causing discoloration, scum, and mats on the water.

On Friday, the South Carolina Department of Environmental Services said the harmful algal bloom appeared to be diminishing in most areas of Lake Hartwell.

Brian Wheeler, director of Save Wild Trout, recently documented extensive algae blooms on the Big Hole, Jefferson and Boulder rivers. The organization counts nutrients pollution among the ...

The Idaho Department of Health and Welfare issued a public health advisory Friday morning along the northern arm of Hayden Lake near Sportsmans Park due to cyanobacteria harmful algal bloom.

Toxic algae blooms increasing in Arctic due to climate change, new study finds Warming ocean waters are encouraging more rapid production of harmful blooms.