TUCSON, Arizona, June 22 (TNSjou) -- The Planetary Science Institute issued the following news release: A region on Mars may have been repeatedly habitable until relatively late in Martian history, says a new paper by Planetary Science Institute Senior Scientist Catherine Weitz. Some of the most extensively preserved landforms on Mars created by running water on its surface are found within the Margaritifer Terra region where deposits of clay-bearing sediments have been identified. "The prese  more

TUCSON, Arizona, June 22 -- Rep. Raul Grijalva, D-Arizona, issued the following statement on June 21, 2022: * * * "As drought and extreme temperatures intensify, it is clear that catastrophic wildfires are becoming an extraordinary frequent threat, especially to Arizona. I applaud the deployment of ground crews, air support, and coordinated suppression efforts to protect Tohono O'odham communities and Kitts Peak observatory from the Contreras Fire. I ask that Governor Ducey support any request  more