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SMD – Science Leadership

What is SMD?

The Science Mission Directorate (SMD) engages the Nation’s science community, sponsors scientific research, and develops and deploys satellites and probes in collaboration with NASA’s partners around the world to answer fundamental questions requiring the view from and into space. SMD seeks to understand the origins, evolution, and destiny of the universe and to understand the nature of the strange phenomena that shape it.

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Office of the Associate Administrator

Organizational chart of the Office of the Associate Administrator at NASA, updated January 29, 2025. It outlines leadership roles and divisions, including Management, Exploration, Research, and Programs, along with key personnel overseeing Earth Science, Planetary Science, Astrophysics, Heliophysics, and Biological and Physical Sciences.