A novel method uses gravity data to determine where density anomalies lie inside planetary bodies.
Geophysical data has suggested that the base of the Moon’s mantle is partially molten or contains ilmenite, but an improved rheology model puts the existence of this layer in doubt.
A gravitational dance between a newly discovered exoplanet and its host star may be driving extreme volcanism on its surface.
The impact sent surface waves rippling over the Martian surface all the way to NASA’s InSight lander, giving scientists a rare view of the planet’s outer layer.
By studying these literal chunks of Mars, scientists are learning more about the Red Planet’s deep interior and impact history.
Seismic signals detected by the InSight lander show that the planet’s lower mantle may be less homogenous than previous models have suggested.
The discovery of tiny crystals of the iron-rich hydroxychloride kuliginite in New Caledonia provides new insights into the hydrogen production from mantle rocks and saline water.
Models show that several puzzling features about Ceres’ topography, gravity anomalies, and crater size distribution may be explained by asymmetric hemispherical convection due to radiogenic heating.
Analysis of the Chassigny meteorite suggests the planet acquired most of its interior volatiles from meteorites, not from the solar nebula.
The first seismic observations from Mars significantly reduce uncertainty in estimates of the Red Planet’s crustal structure.