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What scientists say about the theory that Earth is hollow

The idea of a hollow Earth has fascinated people for centuries. Some have imagined a giant empty world beneath our feet, ...
Phys.org

Earth's inner core rotating slower than surface, study suggests (Update)

Earth's inner core, a hot iron ball the size of Pluto, has stopped spinning faster than the planet's surface and might now be rotating slower than it, research suggested on Monday. Roughly 5,000 ...
TechSpot

Earth's inner core might be reversing its spin

Why it matters: There are many mysteries regarding the Earth's core. One involves seismic fluctuations over the last several decades. Some scientists think they are evidence of changes in the inner ...
Futurism

Earth’s Core Appears to Have Stopped Spinning, Scientists Say

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SpaceNews

Earth’s Inner Core: A Mixture Of Solid Iron And Liquid-like Light Elements

Earth’s core, the deepest part of our planet, is characterized by extremely high pressure and temperature. It is composed of a liquid outer core and solid inner core. The inner core is formed and ...