colorado river

George Andrejko, AZGFD

The U.S. Fish and Wildlife Service says a fish native to the Colorado River is no longer in immediate danger of extinction. KNAU’s Melissa Sevigny reports the humpback chub will be reclassified as “threatened” instead of “endangered.”


Google Images

Imagine the thrill of being the first geologist to explore the Grand Canyon. That lucky individual—John Strong Newberry—wasn’t originally a rockhound but instead was a doctor from Ohio. 


Katie Walton-Day/U.S. Geological Survey via AP, file

U.S. scientists studying the effects of uranium mining around the Grand Canyon say they are lacking information on whether the radioactive element is hurting plants, animals and a water source for more than 30 million people.

Arizona Department of Water Resources

The managers of the Central Arizona Project want to purchase farmland in Mohave County and send the water to the suburbs of Phoenix and Tucson. Local communities oppose the transfer. KNAU’s Melissa Sevigny reports.


U.S. Bureau of Reclamation

Jan. 21, 1963, marked a watershed in the history of the Southwest. On that Monday, the first gates of Glen Canyon Dam were closed.


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