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Your home. Our mission.

Earth Action

NASA is an exploration agency, and one of our missions is to know our home. We develop novel tools and techniques for understanding how our planet works -- for the benefit of humanity and for insights we need to explore other moons and planets. NASA's Earth Science Division operates more than 20 satellites in orbit, sponsors hundreds of research programs and studies, and funds opportunities to put data to use for societal needs. We develop new ways to observe the oceans, land cover, ice, atmosphere, and life, and we measure how changes in one drive changes in others over the short and long term. While listening to and collaborating with industry leaders, international partners, academic institutions, and other users of our data, we drive innovations and deliver science to help inform decisions that benefit the nation and the world.

Earth Observatory Image of the Day

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A Sunflower’s View of Totality
3 min read

The Moon slid between the Sun and Earth to produce a stunning celestial show visible from Spain in August 2026.

Aug 14, 2026
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Cascade Volcanoes Shrouded in Smoke
3 min read

From the International Space Station, astronauts photographed Mount Hood and Mount Rainier as wildfire smoke spread across the Pacific Northwest…

Aug 13, 2026
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Stops Along the Path of Totality
3 min read

Western Iceland and northern Spain are among the few Northern Hemisphere locations experiencing a total solar eclipse on August 12,…

Aug 12, 2026

Sensing the Seas

For more than forty years, NASA has found unique ways to study the surface layers of the ocean from the tropics to the poles. With three new missions since 2020 – PACE, SWOT, and Sentinel 6-Michael Freilich – we are now ushering in a new era of ocean studies.

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