NASA scientists have uncovered an unexpected presence inside Mars, a solid mass around 373 miles in size. This finding has ...

On Mars, things are a lot more static. It’s a single-plate planet with incredibly slow mixing. When InSight peered into the ...

It's only in the last few years that scientists have been able to map the red planet's interior structure. That's because ...

Mars has a solid inner core, according to a new study published in Nature. Using seismic data from NASA’s InSight lander, ...

NASA’s InSight lander listened to Marsquakes for four years. The tremors revealed that Mars may have a solid inner core.

After making groundbreaking discoveries about the mysterious interior of the red planet, the InSight lander's mission has officially ended. The stationary lander spent nearly 1,500 days on Mars.

Imagine, about 4.5 billion years ago, Mars was a young, vibrant world. At that time, massive celestial impacts were frequent, some powerful enough to melt the Martian crust and part of the mantle, ...

New research shows that Mars’ mantle holds evidence of its turbulent early history. New research published in Science shows ...

New research suggests the interior of Mars is far messier than scientists once believed. Instead of neat, layered structures, ...

Using data from NASA’s InSight Lander on Mars, Rice University seismologists have made the first direct measurements of three subsurface boundaries from the crust to the core of the red planet.