An alga that threatens freshwater ecosystems and is toxic to vertebrates has a sneaky way of ensuring its success: It suppresses the growth of algal competitors by releasing chemicals that deprive ...

A sea lion with domoic acid poisoning from toxic algae blooms has beached itself in Redondo Beach on Tuesday, March 18, 2025.

PROVO, Utah (KTVX) — With the warmer months finally upon us, you may be heading out to enjoy the bodies of water and reservoirs around you. Unfortunately, the warmer temperatures and abundant sunlight ...

Health officials in Massachusetts are spreading the word about harmful blooms of cyanobacteria, also known as blue-green algae, in lakes and ponds around the state. In Plymouth, the public health ...

The City of Boulder is asking residents to keep themselves and their pets out of the water at the Boulder Reservoir due to a possible harmful algae bloom. Although the swim beach is closed for the ...

Brown’s Beach in Stillwater is closed because of a sudden blue-green algae bloom. The algae, also known as cyanobacteria, can be harmful, when they lead to the development of harmful algal blooms.

A toxic algae bloom continues to thrive in the Charles River less than a week before thousands of rowers arrive for the Head of the Charles River Regatta, a three-day world-renowned sailing ...

TOLEDO, Ohio — Another significant algae bloom is likely to spread through western Lake Erie this summer, but it will be smaller than the largest ones of recent years, researchers said Thursday. What ...

The "vile"-smelling, "guacamole-thick" algae is keeping beach-goers away. — -- What officials have called "unprecedented" toxic algae blooms in some of southern Florida's beaches and waterways is ...