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Earth

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

Digging Back in Time in the UAE
5 min read

Once below a shallow sea, Jabal al Fāyah now stands above the desert in the United Arab Emirates as a…

Jun 8, 2026
Fighting Fire With Fire
3 min read

In fire-prone ecosystems in Australia's Northern Territory, prescribed burns are lit to minimize the severity of fires later in the…

Jun 5, 2026
A Moonlit Earth as Seen From Artemis II
4 min read

An astronaut’s photo, taken en route to the Moon, reveals our planet and its place in space in a novel…

Jun 4, 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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