This work reports annual-scale fluctuations in inner-core behavior, revealing time-dependent changes in both rotational motion and near-surface structure.
Recommended citation: Vidale, J. E., Wang, W., Wang, R., Pang, G., & Koper, K. (2025). “Annual-scale variability in both the rotation rate and near surface of Earth’s inner core.” Nature Geoscience, 18, 267-272.