The Proceedings of the National Academy of Sciences of the United States of America, usually referred to as PNAS, is the official journal of the United States National Academy of Sciences (NAS).

The Covid-19 pandemic appears to have permanently rearranged the world’s cities. A new study, published in the Proceedings of ...

Study “presents the first physical evidence that Snowball Earth reached the heart of continents at the equator” says lead ...

The National Academies of Sciences, Engineering, and Medicine are the ... Read Our Expert Reports and Published Proceedings Explore PNAS, the Flagship Scientific Journal of NAS Explore PNAS Nexus, the ...