We may finally know what triggered Earth’s inner core to freeze, helping unlock one of the planet’s longest-standing geological puzzles. The inner core is a solid ball of iron about 2,400km (1,500 ...

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.

This image taken by the European Space Agency’s Mars Express orbiter shows an oblique view focusing on one of the vast lava flows in Elysium Planitia. Image credits: ESA/DLR/FU Berlin. For four years, ...

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 ...

The Chinese-led research team based its findings on seismic readings from NASA's InSight lander on Mars, which recorded more than 1,300 marsquakes before shutting down in 2022. The spacecraft landed ...

A Chinese-led research team reported Wednesday that the heart of Mars, while small, is indeed solid A Chinese-led research team reported Wednesday that the heart of Mars, while small, is indeed solid ...