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 ...

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 ...

Scientists have long known that Earth and Mercury have metallic cores. Like Earth, Mercury's outer core is composed of liquid metal, but there have only been hints that Mercury's innermost core is ...

With Simon Stähler and co-authors reporting a fully liquid core and Huixing Bi and colleagues reporting a solid inner core, it might seem as if there will be some controversy. But that is not the case ...

Scientists have long thought Earth's core is solid. Now they have some solid evidence. The core is thought to be a two-part construction. The inner core is solid iron, and that's surrounding by a ...

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