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 ...

Researchers found that the Moon's inner core is about 310 miles wide, which is about 15% the diameter of the Moon. Reading time 2 minutes Scientists may have just unlocked another of the Moon’s ...

That solid iron inner core of Earth may still hold liquid iron, according to a new study from the University of Utah. Scientists have used seismic waves to research Earth’s inner core, uncovering a ...