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Definition of AAAS
Medically reviewed by Min Clinic Staff | Updated: January 2026
AAAS: Spoken of as the "triple-AS", the American Association for the Advancement of Science is an organization concerned not only with the biomedical sciences but with all of the sciences. The AAAS publishes the weekly journal "Science", one of the great scientific periodicals. "Science" carries a remarkable range of new scientific information including, for example, findings from the Apollo mission to Mars as well as reports from the project to map the human genome.