The Army Corps of Engineers has issued a harmful algae bloom advisory for Blue Marsh Lake. The corps on Thursday updated a watch to an advisory due to the presence of moderate levels of cyanobacteria, ...

An aerial view of surfers waiting for a set at Dog Beach in Huntington Beach. (Allen J. Schaben / Los Angeles Times) It was one of the largest, longest and most lethal harmful algae blooms in Southern ...

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 ...

As chilly weather sweeps through the Berkshires, officials say to avoid Pontoosuc Lake and Richmond Pond. Both bodies of water have active public health advisories after blue-green algae blooms were ...

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 ...

PORTLAND, Ore. (KOIN) — Dangerous toxin levels have been detected in Lacamas Lake, leading to a Clark County Public Health advisory against spending time in the water. The presence of cyanotoxins — ...

Researchers at the University of Birmingham have developed a powerful new method to detect harmful blue-green algae in freshwater lakes. Their method, which involves advanced mass spectrometry ...

Jules Leon climbed into a Ford pickup truck fitted with a net, a wheeled crate he calls a “moon buggie” and a defective winch. It was March 18 and Leon was on his way to Redondo Beach — for his third ...

Boston health officials warned people and their pets to stay away from the Muddy River in Boston's Fenway neighborhood due to a toxic algae bloom in the water. They should avoid direct contact with ...

"The algae can cause rashes, stomach cramps, nausea, diarrhea and vomiting." All 21 of Mississippi's beaches have been shuttered for swimming due to the presence of toxic algae. The Mississippi ...