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The US Fish and Wildlife Service has downlisted a Colorado River fish from endangered to threatened. KNAU’s Melissa Sevigny reports, the agency says the…
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Indigenous nations are at the frontlines of climate change, but they’re also leaders in how to adapt to changing weather conditions and transition to…
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Astronomers at Northern Arizona University are searching for a special kind of asteroid, and they want the public to help. “Active asteroids” are strange…
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More than five and a half million acres have burned in the U.S. this year. Wildfires have grown larger and more intense over the last few decades, in part…
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The Colorado River Basin is enduring two decades of drought, and water shortages are on the horizon. But scientists say this isn’t the worst-case…
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A new study tackles the mystery of the missing rocks at the bottom of the Grand Canyon. Scientists call this feature the Great Unconformity. It’s a…
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Arizona will lose 18 percent of its Colorado River water allotment next year because of a shortage declared this week. KNAU’s Melissa Sevigny reports,…
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The astronomy community has lost a pioneer. Famed Flagstaff astronomer Carolyn Shoemaker passed away Friday at the age of ninety-two. She discovered more…
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The U.S. Bureau of Reclamation has declared a shortage on the Colorado River that will take effect at the start of next year. KNAU’s Melissa Sevigny…
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An above-average monsoon season has brought unpredictable storms and flash floods to parts of Northern Arizona. It’s difficult to forecast exactly when…