USGS

NASA/JPL/University of Arizona/USGS

A Flagstaff geologist found eight massive ice sheets on the planet Mars, using images from a NASA spacecraft. It’s the first detailed look at the layered structure of Mars’ ice. KNAU’s Melissa Sevigny reports. 


The House Natural Resources Committee will hold a hearing tomorrow on whether to end a uranium mining ban near the Grand Canyon. KNAU’s Ryan Heinsius reports, it follows a recent U.S. Forest Service recommendation to reopen exploration on nearly a million acres. 


NASA/JPL/University of Arizona

NASA announced two years ago strange dark streaks on Mars might be formed by liquid water. But a new study led by a Flagstaff geologist says that’s not the case. KNAU’s Melissa Sevigny reports.


NASA/JPL/Space Science Institute

The Cassini spacecraft mission ends tomorrow after two decades in space. A Flagstaff scientist on the mission team says Cassini transformed our knowledge of Saturn and especially its strange moon Titan. KNAU’s Melissa Sevigny spoke with Randy Kirk of the U.S. Geological Survey from Pasadena, California, where the team has gathered to witness the spacecraft’s final moments.


US Geological Survey

Many people are aware that Flagstaff and environs played a central role in the race to land a man on the Moon in the 1960s. The Apollo astronauts trained amid the volcanic landscape surrounding town—the best re-creation of the Moon’s pock-marked surface to be found on Earth.


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