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 ...

The iron-rich core at the center of our planet has been a crucial part of Earth's evolution. The core not only powers the magnetic field which shields our atmosphere and oceans from solar radiation, ...

New research from NASA's InSight lander, which recorded over 1,300 Marsquakes between 2018 and 2022, suggests Mars possesses a solid inner core, approximately 600 kilometers in radius, surrounded by a ...

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.

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 ...

HEFEI -- Chinese and international scientists have, for the first time, discovered a solid inner core, with a radius of about 600 km, inside Mars, thereby providing crucial clues to the evolutionary ...

CAPE CANAVERAL, Fla. (AP) — Scientists revealed Wednesday that Mars’ innermost core appears to be a solid hunk of metal just like Earth’s. The Chinese-led research team based their findings on seismic ...

CAPE CANAVERAL, Fla. — Scientists revealed Wednesday that Mars’ innermost core appears to be a solid hunk of metal just like Earth’s. The Chinese-led research team based their findings on seismic ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. This Dec. 6, 2018 image made available by NASA ...