Freshwater blue-green algae blooms are "not all bad, and they're also pretty to look at," but a Waterloo region researcher is also reminding people that they could be "lethal to humans." ...

MANITOU BEACH — A harmful algal bloom as been reported in a second lake in Lenawee County. Blue-green algae, known as cyanobacteria or harmful algal blooms (HABs), has been confirmed at Devils Lake in ...

TOLEDO, Ohio — A harmful algal bloom started developing on Lake Erie in July as temperatures climbed and phosphorous runoff and nutrient levels increased in the water. Several weeks of algae ...

Pictures from Wednesday show the disgusting algal bloom that prompted the closure of the 220-acre lake. "It's actually caused by cyanobacteria," said Ed McGowan of New York State Parks Department ...

A toxic algal bloom leaving an increasing number of marine mammals stranded along Southern California beaches shows no signs of subsiding and “will only get worse,” officials said Monday.

This is the fourth consecutive year a lethal algae bloom has occurred along the Southern California coast, fueled by an upwelling of nutrient-rich waters from the deep ocean. Research teams are ...

Hazardous algal blooms, which can be toxic to humans, pets and aquatic life, popped up in McLeod Lake in 2020 and 2022 but — curiously — not this year. So scientists are using the dye to ...

A mysterious, brown foam appeared on a beach an hour south of Adelaide. It was just the beginning of a toxic algal bloom that has now grown to thousands of square kilometres in size, killing ...