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 ...

A new analysis has found that Mercury has a solid inner core, just like Earth does. And Mercury’s core is just about the same size as our own planet’s. I’m biased here, but Mercury is an incredible, ...

A color-enhanced view of Mercury produced by using images from color base map imaging, showing the chemical, mineralogical, and physical differences between the rocks that make up Mercury’s surface.

For nearly a century, we played golf balls composed of materials not out of place at Office Depot - or at Cinnabon. Thankfully, a more solid idea emerged. By the mid-1990s, many top-shelf golf balls ...

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 ...