The Earth's inner core was once liquid, but has turned solid over time. As the Earth gradually cools, the inner core expands outwards at the surrounding iron-rich liquid "freezes." That said, it ...

A trio of physicists, two with Coventry University, in the U.K., and the third with Laboratoire National des Champs ...

This appears to be the case, to a rather stunning extent, in the instance of the reporting this week around new findings that researchers say shows the rotation of Earth’s inner core is slowing ...

Deep beneath our feet, at a staggering depth of over 5,100km, lies Earth's inner core — a solid ball of iron and nickel that plays a crucial role in shaping the conditions we experience on the ...

Our planet's inner core, a solid iron ball bigger than Pluto, isn't just spinning – it's doing a wobbly routine, like a top losing its equilibrium, in a cycle that stretches nearly a decade.

The Earth’s magnetic field is why we are here today. It protects life from harmful radiation from the Sun and many other cosmic events. It is generated in the liquid outer core of our planet, but ...

A new study challenges the long-held assumption that Earth's inner core is hard, like a solid metal sphere. Instead, our planet's heart is likely much gooier than previously thought, "kind of like ...

If core muscles are tired or weak, the ligaments in your back take over and can become strained. Exercises like side planks and dead bugs work the deep muscles of the inner core, like the pelvic ...

The inner core of Earth appears to hold an innermost secret. Geology textbooks almost inevitably include a cutaway diagram of Earth showing four neatly delineated layers: a thin outer shell of ...