The government knew a harmful toxin had been found in its algal bloom, but took months to update its health advice.

Lake Mead officials are warning visitors in the Government Wash area about dangerous conditions because of poisons produced by blue-green algae.

For about a year, an algal bloom in South Australian waters has had devastating effects on marine life. At my local beach, ...

Toxic algae blooms in the Caloosahatchee River are a recurring problem, with the latest 'all-clear' in Alva possibly short-lived; monitoring continues ...

Scientists have discovered a newly identified marine fungus that can infect and kill toxic algae responsible for harmful ...

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 ...

The City of Boulder is asking residents to keep themselves and their pets out of the water at the Boulder Reservoir due to a possible harmful algae bloom. Although the swim beach is closed for the ...

The coastline of South Australia has been affected for nearly a year by an unprecedented harmful algal bloom which has led to ...

Spencer Parker has never seen so many dolphin strandings in his more than 20 years as an L.A. County lifeguard. Since he started in 2002, only twice had he seen them come ashore before this year. But ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. PROVO, Utah (KTVX) — With the warmer months ...