A new analysis of the seismic data gathered by the InSight lander reveals that marsquakes occur across a much larger area of the planet than previously believed.
Journal of Geophysical Research: Planets
Posted inResearch Spotlights
James Webb Space Telescope Captures Saturn’s Changing Seasons
Unprecedented images reveal how Saturn’s atmosphere is evolving as summertime winds down in its northern hemisphere.
Posted inResearch Spotlights
Mars Has Far Fewer Minerals Than Earth Does
The development of plate tectonics and life on Earth provided avenues for mineral evolution that did not occur on Mars, resulting in relatively limited mineral diversity on the Red Planet.
Posted inEditors' Highlights
A Mystery About the Moon’s Deep Interior Endures
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.
Posted inEditors' Highlights
Dancing Dust on Comet 67P/Churyumov-Gerasimenko
Cometary activity moves sediments over the surface of 67P/Churyumov-Gerasimenko, with long-term sinks near the poles of the comet.
Posted inEditors' Highlights
Dust in the (Martian) Wind
The InSight Lander, on Mars, intentionally dumped sand over its seismic instrument’s tether and the wind sorted the particles by size as it blew them away.
Posted inEditors' Highlights
Hand Magnets Destroy the Magnetic Record of Meteorites
Meteorite collectors often use strong magnets for classification, but this approach destroys crucial evidence of processes active in the early solar system.
Posted inResearch Spotlights
A New Origin Story for Mars’s Burns Formation
The Red Planet’s Grasberg and Burns formations have different compositions today, but they may have started out the same way.
Posted inEditors' Highlights
A New View of Volcanism on Venus
Researchers present the most comprehensive catalog of Venusian volcanic edifices to date, providing new knowledge of the geological evolution of a relatively understudied planet.
Posted inEditors' Highlights
Martian Rocks May Record Ancient Wind Directions
Mars 2020 Perseverance Rover images of abraded surface rocks may retain records of ancient wind directions, providing important ground-truth to our understanding of Mars’ recent climate history.