Almost one week after a do not drink order was lifted on Mattoon’s water supply, city staff said the water is still safe to ...

Toxic algae can show up without warning, and for pets, even a quick dip or drink could be deadly. Harmful algal blooms, or ...

The algae have poisoned more than 1,737 square miles of the waters, littering beaches with carcasses and ravaging an area ...

Preliminary results from computer modelling suggests the harmful algal bloom that has been killing marine life will return ...

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 ...

An alga that threatens freshwater ecosystems and is toxic to vertebrates has a sneaky way of ensuring its success: It ...

Pseudo-nitzchia has been detected at bloom levels in Kachemak Bay since July 4. A potentially toxic algal bloom has been ...

A surge in harmful algal blooms, also known as cynobacteria, has prompted multiple beach closures along Lake Champlain's ...

Lake Helena is looking a little different than normal with the bright green hue of the water. This is a result of harmful ...

Two swimming beaches at state parks in New York are closed due to harmful algal bloom, according to the state Department of ...

On July 15, 2025, the Utah Department of Environmental Quality’s monitoring team identified harmful algae in the water at ...