The Artemis Moon Program

November 2019The NASA Artemis Moon program aims to land the first woman and the next man on theMoon by 2024, a goal that the National Space Society (NSS) applauds. Due…

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A Cosmic Crisis

How a Dispute over a Single Number Became a Cosmological Crisis Two divergent measurements of how fast the universe is expanding cannot both be right. Something must give—but what? Read…

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