Zurbuchen
Thomas Zurbuchen, NASA associate administrator for science, said the UAP study is one example of high-risk, high-impact” research NASA should do more of. Credit: NASA/Bill Ingalls

PARIS — The NASA associate administrator responsible for the agency’s science programs will resign by the end of the year after more than six years on the job.

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Jeff Foust writes about space policy, commercial space, and related topics for SpaceNews. He earned a Ph.D. in planetary sciences from the Massachusetts Institute of Technology and a bachelor’s degree with honors in geophysics and planetary science...