The gas giant’s interior reveals evidence of an ancient impact.
planetary interiors
Posted inNews
Webb Telescope May Detect Minerals from Shredded Worlds
The upcoming James Webb Space Telescope should be able to measure the composition of vaporizing exoplanets, giving clues about the makeup of their cores, mantles, and crusts.
Posted inResearch Spotlights
Searching for Signs of Marsquakes
Researchers use high-resolution images of Mars’s surface to look for signals of coseismic displacement.
Posted inEditors' Highlights
How Did Venus Get its Youthful Surface?
Catastrophic lithospheric recycling is unlikely to be the cause of Venus’s young surface from mantle convection models constrained by offset between the center of mass and center of shape of planet.
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New Juno Data Reveal Four Key Secrets of Jupiter
Deep clouds, polar storms, lopsided gravity, and a uniformly rotating interior demonstrate that the gas giant plays by different rules than Earth.
Posted inResearch Spotlights
Time, Tides, and Wandering Poles
Models of Neptune’s moon Triton reveal curious behavior in how tidal forces and mass anomalies cause the poles to reorient their location.
Posted inEditors' Vox
Close Encounter with Jupiter
First results from the Juno mission shed new light on Jupiter’s atmosphere, gravity, magnetic field, aurora, history, and more.
Posted inResearch Spotlights
Martian Mantle Models Pave the Way for NASA's InSight Lander
The most detailed simulations to date of how heat flows through Mars's interior are good news for the upcoming lander and will help scientists interpret its data.
Posted inAGU News
Veronique Dehant Receives 2016 Charles A. Whitten Medal
Veronique Dehant was awarded the 2016 Charles A. Whitten Medal at the American Geophysical Union Fall Meeting Honors Ceremony, held on 14 December 2016 in San Francisco, Calif. The medal is for "outstanding achievement in research on the form and dynamics of the Earth and planets."
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Freezing Mars's Core—in the Lab
Mars's core, widely thought to be at least partially molten, may eventually solidify completely, and researchers have turned to lab experiments to find out how.