For four years, a lone robot sat on the dusty plains of Mars, listening. The InSight lander, a three-legged marvel of engineering, was sent to take the Red Planet’s pulse. There’s not much happening ...

Mars has a solid inner core, according to a new study published in Nature. Using seismic data from NASA’s InSight lander, researchers identified a dense, solid core about 600 kilometers wide, ...

Scientists have discovered that Mars has an interior structure similar to Earth's. Results from NASA's InSight mission suggest that the red planet has a solid inner core surrounded by a liquid outer ...

Mars is known for its barren desert landscape and dry climate. But two recent studies go beneath the surface: They explore the interior of the red planet using seismic data from NASA's InSight mission ...

Mars may have a hardened heart. Marsquake reverberations detected by NASA’s InSight lander revealed that the Red Planet probably possesses a solid inner core, researchers report in the Sept. 4 Nature.

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go beneath the surface,... The core of Mars looks like Earth’s. What makes the ...