A deep pocket of hot, low-density material hiding in the Martian mantle may be responsible for gradually speeding up the ...

The interior of Mars is filled with vast and mysterious rocks that smashed into the planet, new research shows. Rocky material up to 2.5 miles (4 kilometers) across remains scattered in giant lumps ...

Three years ago, Martian dust shrouded the solar panels on NASA’s InSight lander, preventing further operations and leading to its retirement. But the mission’s data continues to reveal information ...

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 ...

What can marsquakes teach scientists about the Red Planet’s present-day, frozen interior, along with its early history? This is what a recent study published in Science hopes to address as a team of ...

Mars isn’t the neatly layered world we once imagined — its mantle is filled with ancient, jagged fragments left over from colossal impacts billions of years ago. Seismic data from NASA’s InSight ...

The interior of Mars is filled with vast and mysterious rocks that smashed into the planet, new research shows.