The NEID spectrometer, one of the most precise instruments for detecting planets and being used at the Kitt Peak National Observatory on the Tohono O’odham Nation west of Tucson, is looking for Earth-like planets outside our solar system. Read more» 
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NASA has appointed Amy Mainzer, a University of Arizona professor, to lead a project to track asteroids that potentially could crash into Earth - a mission involves launching a telescope into a high orbit to locate such near-Earth objects using the infrared radiation they emit. Read more»
Conservationists expressed anger over the Supreme Court’s decision not to hear an appeal to stop construction of the border wall. But they’re moving ahead while monitoring construction as it chews through land marked by towering saguaros and habitat of the endangered jaguar. Read more»
President Donald Trump signed an executive order Monday suspending H-1B, L-1, J and other temporary work visas until the end of the year, while also extending the hold on green cards for new immigrants. Read more»
