658400 external_news 1653068169 1653068169 Once upon a time, all life on Earth was alien. But eventually, strange single-celled organisms thriving on a harsh planet gave way to complex, multicellular organisms made up of the basic building blocks we associate with life today, including carbon, oxygen and nitrogen. NASA announced this week that a new collaboration of astrobiology researchers across the country, working together under a Research Coordination Network called LIFE, will spend the next five years dedicating their efforts to understanding this journey from alien to familiar. Frank Rosenzweig, professor in the School of Biological Sciences, will co-lead the effort, along with former College of Sciences postdoctoral fellow Betül Kaçar, now an assistant professor at the University of Wisconsin-Madison.

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