Buried more than 3,000 miles beneath our feet, Earth’s solid inner core was once thought to be unchanging—locked in place at ...

It’s not much of a stretch to say that Earth’s inner structure, especially the innermost spherical core, has stupefied scientists for generations. It sits over 3,000 miles below the surface, smaller ...

By analyzing seismic waves from earthquakes from the 1960s, researchers from Peking University deduced that the Earth's inner ...

Earth appears to be a chill blue planet, but deep down, it’s really a metalhead. Its outer core is mostly molten iron (and ...

Scientists have confirmed that the Moon has a solid inner core with a density similar to iron. The core's structure mirrors that of Earth's, with a fluid outer layer and solid inner core ...

To gig deep into the Earth's mysteries isn't just science fiction. The video highlights one of humanity's boldest attempts at ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed.

The Keeble Observatory at Randolph-Macon College holds weekly public viewing during spring semester. Check their website ( or ...