A boat in Lake Powell near Bullfrog on Oct. 6, 2022. Glen Canyon National Recreation Area officials issued an advisory on ...

Toxic algae hits vast US lake just in time to spoil July 4 swimming and boating - Exposure to the blooms can result in liver ...

Levels of cyanotoxins that were on the "high end of safe exposure levels" were observed at the mouth of Antelope Canyon in ...

These stunning U.S. canyons drew massive crowds in 2024. Find out which natural wonders topped the list, based on National Park Service data.

Contact with harmful algae can lead to nausea, vomiting, breathing problems, and unexplained illness, NPS said in a press ...

In places, Antelope Canyon’s walls rise to 120 feet. Arizona and New Mexico have numerous slot canyons, a geological feature most commonly found in the Southwest. However, neighboring Utah has ...

Don’t boat, water ski, or jet-ski on scummy water. These activities can cause toxins to become airborne, increasing the ...

LAKE POWELL, Ariz. — The National Park Service put out a water advisory for Lake Powell after a toxic algae bloom was ...

The National Park Service reported Wednesday that cyanotoxins have been detected in the mouth of Antelope Canyon in Lake ...

The National Park Service detected the presence of cyanotoxins in Antelope Canyon, in concentrations at the high end of safe ...