nasa

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.


Former NASA Astronaut, Flagstaff Resident Dies

Oct 24, 2017
NASA

A retired NASA astronaut who commanded the first flight of the space shuttle Challenger and flew on Skylab in the early 1970s has died. Paul Weitz was 85.

NASA

Astronomers in Arizona and worldwide are running a “planetary defense drill” to practice how to deal with an asteroid impact. It’s the first time they’ve used a real asteroid. KNAU’s Melissa Sevigny reports.

NASA's Goddard Space Flight Center/University of Arizona

A spacecraft guided by Arizona scientists will swing around Earth tomorrow, changing its trajectory to put it on course to study an asteroid next year. 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.


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