Earth's inner core is solid and blistering hot. For decades, scientists have known the inner core is solid thanks to the pioneering work of Danish seismologist Inge Lehmann, who first proposed its ...

NANO Nuclear Energy Inc has assembled the first reactor core hardware of its ZEUS solid core battery reactor for initial non-nuclear testing. The fuel element being prepared for testing (Image: NANO ...

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 ...

The solid inner core (610 km radius) found by Huixing Bi and colleagues is hugely significant. The very presence of a solid inner core shows that crystallization and solidification is taking place as ...

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 ...