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pnas.org

Proceedings of the National Academy of Sciences of the United States of America (often abbreviated PNAS or PNAS USA) is a peer-reviewed multidisciplinary scientific journal. It is the official journal of the National Academy of Sciences, published since 1915, and publishes original research, scientific reviews, commentaries, and letters. According to Journal Citation Reports, the journal has a 2021 impact factor of 12.779. PNAS is the second most cited scientific journal, with more than 1.9 million cumulative citations from 2008 to 2018. In the mass media, PNAS has been described variously as "prestigious", "sedate", "renowned" and "high impact". More information...

According to PR-model, pnas.org is ranked 1,293^rd in multilingual Wikipedia, in particular this website is ranked 471^st in Spanish Wikipedia.

The website is placed before fci.be and after hln.be in the BestRef global ranking of the most important sources of Wikipedia.

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