Town (pop., 2000: 11,909), north-central New Mexico, U.S. It lies on the Pajarito plateau of the Jemez Mountains, northwest of Santa Fe. The site was chosen by the U.S. government in 1942 as the location for the Manhattan Project, which developed the first atomic bomb. After World War II, the Los Alamos Scientific Laboratory developed the first nuclear fusion bomb. The town was built to house laboratory employees; it is still the site of a major nuclear research facility.
Learn more about Los Alamos with a free trial on Britannica.com.
(See also: Bradbury Science Museum - the museum that is part of the Los Alamos.)
It is also the name of a number of geographical locations in the USA:
And in Chile:
At least one ship also carried the name:
It is also the name of a book by the photographer William Eggleston.