Journal of Geophysical Research: Planets VOL.131 ISSUE 7 | 25 July 2026
Mercury's Tectonics Record a Damage Zone From the Caloris Basin‐Forming Impact
Christian Klimczak + Işık Yazıcı + Kelsey Crane ...
The Caloris basin is the largest of the well‐preserved basins on Mercury and has left a dominant mark in the planet's geologic record. Previous analysis of orientations of...
Journal of Geophysical Research: Planets VOL.131 ISSUE 6 | 20 June 2026
Geological Mapping and Structural Analysis of the Western Half of the Eminescu Quadrangle (H09), Mercury
Mayssa El Yazidi + Elliot Sefton-Nash + Csilla Orgel ...
We present the results of the first geological mapping of the western half of the Eminescu Quadrangle (H09) on Mercury. Multiple data sets from the NASA MESSENGER Mercury...
Geophysical Research Letters VOL.53 ISSUE 14 | 18 July 2026
Light Element Exsolution in Fe‐Si‐C‐(H) System: A Mechanism for Powering Mercury's Early Core Dynamo
Yuanjing Li + Liangliang Zhang + Fabin Pan ...
Mercury is one of the few terrestrial planets in the solar system with a magnetic field, yet the energy source to power its core dynamo remains unclear to date. Si, C, and...
Geophysical Research Letters VOL.53 ISSUE 12 | 24 June 2026
Mercury's Alfvén Wing Current System Under Sub‐Alfvénic Solar Wind Conditions: Insights From Global MHD Simulations
Charles Bowers + Xianzhe Jia
Mercury's proximity to the Sun results in the lowest average Alfvénic Mach number in the upstream solar wind compared to any other planet. Under extreme conditions, the upstream...
Geophysical Research Letters VOL.53 ISSUE 12 | 19 June 2026
Mercury's Eccentric Orbit as a Driver of Significant “Seasonal” Change in Upstream Solar Wind Forcing
Ryan M Dewey + Alexander David Shane + Beatriz Sanchez-Cano ...
Mercury experiences the most intense and variable solar wind (SW) conditions in the solar system due to its close, eccentric orbit about the Sun. In addition to variation...