NASA's InSight lander just gave scientists a peek at the make-up of Mars's core, crust, and mantle. A trio of new studies reveal how the interior structure of Mars compares to that of Earth.

Quakes on Mars have unveiled its interior to an unprecedented degree, revealing surprising details about the Red Planet's crust, mantle and core. Measurements taken by NASA's InSight (Interior ...

The Earth has a layered structure, including the core, mantle and crust. The crust and upper mantle are cracked into large pieces called tectonic plates. These plates move slowly, but can cause ...