SOUTH LAKE TAHOE, Calif. — Lake Tahoe is famous for its blueness. The growth and spread of algae is one reason blue lakes around the world can go green in the summer. Algae forms the base of many food ...

The algae bloom forming around Ross Island Lagoon in the Willamette River on Monday morning. (Photo courtesy of Eagle Eye Droneography) The thick, green layer of toxin-producing algae currently ...

Scientists are trying to better understand what forms of nutrients fuel cyanobacteria blooms, and at least one test points to urea. Researchers from the U.S. Geological Survey, Nova Southeastern ...

CLARK COUNTY, Wash. — George and Elise Pang said their dog, Cedar, was as good as any dog could be. "Cedar was the best dog," said Elise Pang, of their rust-colored Cavapoo. "He was very sweet, loving ...

A blue-green algae bloom in Devil’s Lake persisted for more than a month this fall — an uncommon sight in recent years — but despite some anecdotal reports of skin irritation, a water sample showed ...

FAYETTE COUNTY, Ga. — Peachtree City officials issued a warning about a “potentially harmful” algae blooms found in one of its lakes. After blooms were detected, testing confirmed that it was two ...