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Access information on Space Science Week 2026 here.
The Committee on Astronomy and Astrophysics (CAA) provides an independent, authoritative forum for identifying and discussing issues in astronomy and astrophysics with the research community, the federal government, and the interested public. The committee supports scientific progress in astronomy and astrophysics by providing advice to the federal government on the implementation of decadal survey recommendations.
The Decadal Survey on Astronomy and Astrophysics (Astro2020) report was released on November 4, 2021.
Featured publication
Roman Space Telescope Observing Time Allocation Principles: Report Series—Committee on Astronomy and Astrophysics
Consensus Study Report
·2022
The Roman Space Telescope will measurably advance knowledge of dark energy and exoplanet demographics. Locally, it will likely enhance understanding of the structure and substructure of the Milky Way and nearby galaxies, including a census of the predicted but elusive ultra-faint dwarf galaxies. At...
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Events
Right Now & Next Up
Stay in the loop with can’t-miss sessions, live events, and activities happening over the next two days.
NAS Building Guided Tours Available!
Participate in a one-hour guided tour of the historic National Academy of Sciences building, highlighting its distinctive architecture, renowned artwork, and the intersection of art, science, and culture.