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

Orbiters can pick up gravitational shifts thousands of kilometres below the surface.

Material deep inside Earth — thousands of kilometres down, near the planet’s core — has undergone a mysterious shift.

Access options

Access Nature and 54 other Nature Portfolio journals

Get Nature+, our best-value online-access subscription

$32.99 / 30 days

cancel any time

Subscribe to this journal

Receive 51 print issues and online access

$199.00 per year

only $3.90 per issue

Rent or buy this article

Prices vary by article type

from$1.95

to$39.95

Prices may be subject to local taxes which are calculated during checkout

Nature 645, 829 (2025)

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

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.

Gaugne Gouranton, C., Panet, I., Greff-Lefftz, M., Mandea, M. & Rosat, S. Geophys. Res. Lett. 52, e2025GL116408 (2025).
Article Google Scholar
Panet, I., Bonvalot, S., Narteau, C., Remy, D. & Lemoine, J.-M. Nature Geosci. 11, 367–373 (2018).
Google Scholar
Bouih, M., Panet, I., Remy, D., Longuevergne, L. & Bonvalot, S.. Earth Planet. Sci. Lett. 584, 117465 (2022).
Article Google Scholar
Chulliat, A. & Maus, S. J. Geophys. Res. Solid Earth 119, 1531–1543 (2014).
Article Google Scholar