New York beaches are tested regularly to determine the public's risk of coming in contact with waterborne diseases. See the latest updates.

Blue-green algae are microscopic organisms that naturally occur in Connecticut’s lakes, ponds and rivers. When they interact with hot temperatures, sunlight and high nutrient levels, it causes the ...

Experts say there are dangerous levels of contamination in over half of coastal and great lakes beaches in the U.S.

A new report reveals contaminated beach conditions in Washington, raising health concerns for summer visitors.

Know what you're dealing with before trying to get rid of (or at least control) common aquatic weeds that gross out swimmers ...

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

Kits that help people grow their own golden oyster mushrooms at home may be one reason this nonnative species is now spreading in the wild.

"Cases have expanded in the Eastern U.S.," Aileen Marty, professor of infectious diseases, Florida International University, told Newsweek.

A groundbreaking study in the journal Science, has unveiled how deep ocean currents—known as global overturning ...

For the most part, swimming at the lake is safe, healthy, summer fun. Here are some top risks and how to avoid them.

An infrequent but troublesome problem in East Texas ponds is blue-green algae, or cyanobacteria. These microscopic aquatic ...