Hot weather is making potentially dangerous algae blooms more likely in North Dakota, with state officials adding Devils Lake ...

Harmful algal blooms have been reported on two notable lakes in West Michigan.

MUSKEGON, MI — Another stretch of hot, calm summer weather has fueled a toxic blue-green algae bloom in Muskegon Lake, with ...

Archive photos show a sea of green in Florida. Harmful algal blooms are a "growing problem" in every "US coastal and Great Lakes state," NOAA states.

They say a 'moderate' bloom is in store, but a lot depends on the weather.

This summer's harmful algal bloom looking similar to moderate ones in recent years past. Does that mean progress is being made?

When bright green water appeared in the newly renovated Lincoln Memorial Reflecting Pool, it drew national attention and sparked political finger-pointing. The culprit: cyanobacteria—sometimes called ...

Scientists predict a moderate harmful algal bloom for western Lake Erie this summer. Here is what to watch for.

Harmful algal blooms have appeared this week in Rockland Lake and Sebago Lake in Rockland County, prompting reminders from state experts about reporting them. Brian Duffy, of the New York State ...

Oklahoma officials warn that rising summer heat is increasing the risk of toxic algae blooms in state lakes.

Pexels The Great Lakes hold roughly a fifth of the world’s surface freshwater. They supply drinking water, habitat, transportation, and recreation for more than 40 million people in ...