The convection thought to drive the area’s geology may come from cooling, not heat.
Asteroid-sample return shows water on its rocks’ surface
A cubic meter of asteroid dust may have as much as 20 liters of water.
Scientists use seismic noise to image first hundred meters of Mars
Mars’ winds create enough noise to see what’s underneath the InSight lander.
Rover’s pictures show long history of rivers flowing into Martian crater
Jezero Crater’s river delta left behind a distinct geometry we can see in photos.
Lunar samples returned by Chang’e-5 tell of recent volcanism
“Recent” is relative—the samples are roughly two billion years old.
Saturn’s core is a big, diffuse, rocky slushball
There are still uncertainties, but data from the rings rules out a layered model.
Red planet has a big core, complex crust
Seismograph on NASA’s InSight lander is slowly imaging the Martian interior.