Deep beneath our feet, far beyond the reach of any drill, new research suggests that Earth’s center is far more intricate than a simple metal ball. Instead of a single solid sphere, the inner core ...

There may be hidden layers to Earth’s core dictated by chemical composition. In A Nutshell Lab experiments suggest Earth’s inner core may have distinct chemical layers rather than being uniform iron, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A new study analyzing decades of seismogram data shows that physical changes can ...