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NASA Satellite Details Universe's Age, Expansion

NASA unveils results from an unmanned space probe that reveal the universe's age, composition and fate. Scientists say the results mark a turning point in cosmology. NPR's Richard Harris reports.

Copyright 2003 NPR

Award-winning journalist Richard Harris has reported on a wide range of topics in science, medicine and the environment since he joined NPR in 1986. In early 2014, his focus shifted from an emphasis on climate change and the environment to biomedical research.