The Edge of Two Worlds
Our planet draws closer to passing behind the Moon in this image captured by the Artemis II crew during their lunar flyby, about six minutes before Earthset.

The Earth Sciences Division is the nation's technical innovator and essential data provider to support national infrastructure, scientific leadership, and economic resilience.
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The Astrophysics Science Division leads America's quest to answer our most profound scientific questions, developing technologies with transformative applications in medicine, national security, and intelligence.
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The Heliophysics Science Division advances understanding of the Sun and its interactions with Earth and the solar system, providing the foundational science that drives space weather research and solutions in collaboration with government, industry, and academia.
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The Solar System Exploration Division powers space missions and leads human space exploration to the Moon and Mars through revolutionary research that charts the frontiers of our solar system and deepens our understanding of planetary system formation and evolution.
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