The brightest comet of 2021, named "Leonard" after the UArizona researcher who discovered it, is paying one last visit to Earth's neighborhood this month, before leaving the solar system forever.
UArizona's space science program, led by research and publications from LPL and Steward Observatory, ranks No.10 in the world and No. 2 among public U.S. universities in the recent U.S. News & World Report list of Best Global Universities.