USGS

The Colorado River that runs through Grand Canyon National Park supplies water to nearly forty million people in the West. But longstanding programs to protect the river’s health are about to be defunded by the federal government. River managers say the result could be disastrous for the crown jewel of the national parks. KNAU’s Melissa Sevigny reports.

Campsites for river runners are vanishing in the Grand Canyon, according to new research from the U.S. Geological Survey and Northern Arizona University. KNAU’s Melissa Sevigny reports.

Forty-nine years ago tomorrow, Apollo astronauts landed on the Moon. But first they came to Flagstaff to train. Friday night the city is launching a yearlong celebration of Flagstaff’s role in the lunar missions. KNAU’s Melissa Sevigny spoke with local geologist and historian Rich Kozak about that legacy.

The fiery eruption of Mount Kilauea in Hawaii has devastated local communities. But it’s also helped researchers understand more about how volcanoes work. 

A proposal by the U.S. Interior Department would increase domestic mineral production on public lands. KNAU’s Ryan Heinsius reports, it classifies uranium and nearly two dozen others as crucial to national and economic security.