Mars did not just lose its warmth and water. Deep inside the planet, something far more important died, leaving its core weak ...

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 peering into the very heart of hearts of the planet Mars have found a deeply unexpected structure. There, at the innermost core of the planet, InSight seismic data reveals a solid mass ...

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 ...

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 ...