An invasive Asian mussel species threatens critical Sacramento-San Joaquin Delta waterways and what the state plans to do about it.

SANFORD, Fla. — The Florida Department of Health in Seminole County (DOH-Seminole) cautions the public about the presence of ...

A harmful algal bloom occurs in bodies of freshwater when Cyanobacteria, also called blue-green algae, produce toxins.

Water testing is underway for Lake Monroe and Lake George, and the Florida Department of Health is advising people to take precautions.

Brown pelicans are filling up Southern California wildlife rehabilitation centers. Many adult birds have been poisoned in a ...

Our Changing Planet is an ambitious natural history series exploring the issues facing the planet’s most threatened ...

Algae with domoic acid is sometimes called red tide, and biologists think runoff from the wildfires and ocean sediment ...

Algae blooms can be dangerous, as they often release substances poisonous to humans and other animals. But recently in ...

Why are sea lions attacking people in the waters off California’s coast ... likely a symptom of domoic acid poisoning from toxic algae, according to her doctor. “A sea lion isn’t naturally ...