Why is Earth's Inner Core Solid?
Hand drawn layers of the Earth , Pikisuperstar; Freepik Hidden chemistry of Earth's core revealed by how it froze (News Release, University of Oxford ; 4 September 2025) https://www.earth.ox.ac.uk/article/hidden-chemistry-earths-core-revealed-how-it-froze Featured Research Article: Constraining Earth's core composition from inner core nucleation (WILSON et al. , 2025) https://www.nature.com/articles/s41467-025-62841-4 Dynamo Theory - Outer Core Convection and Magnetic field generation , Andrew Z. COLVIN ; CC BY-SA 4.0 International , Link