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Mysterious changes near Earth’s core revealed by satellites in space

A concept illustration of the GRACE spacecraft in orbit over the Earth.

The GRACE satellites, which flew one in front of the other from 2002 to 2017 (shown in this artist rendering), detected gravitational changes on Earth. Credit: NASA

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Nature 645, 829 (2025)

doi: https://doi.org/10.1038/d41586-025-03007-6

Updates & Corrections

  • Clarification 17 September 2025: An earlier version of this story said that Isabelle Panet is at Gustav Eiffel University in Paris. She is at that university, but her primary affiliation is Paris City University.

References

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  4. Chulliat, A. & Maus, S. J. Geophys. Res. Solid Earth 119, 1531–1543 (2014).

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