The Marian Koshland Science Museum of the U.S. National Academy of Sciences (NAS) was located in Washington, D.C. from 2004 until 2017. It featured exhibits that presented modern science and scientific issues in an accessible way, geared for the general public. It explored current scientific issues that were important for the nation's and world's public policy decisions, as presented in reports by the United States National Academies. The National Academy of Sciences replaced the museum with LabX.