http://cfa-www.harvard.edu - The Harvard-Smithsonian Center for Astrophysics. The Center combines the resources and research facilities of Harvard College Observatory and the Smithsonian Astrophysical Laboratory
MUSEUMS - ATOMIC SCIENCE & HISTORYhttp://www.lanl.gov/museum- Bradbury Science Museum, an archival collection of artifacts dating from the Manhattan Project.
http://www.coldwarmuseum.org - Founded in 1996 by Francis Gary Power, Jr. and John C. Welch to preserve Cold War history and honor Cold War Veterans.
http://www.atomicmuseum.com- Located in Albuquerque, NM. The only U.S. Congressionally-chartered museum of nuclear science and history.