Deep beneath our feet, far beyond the reach of any drill, new research suggests that Earth’s center is far more intricate ...

Scientists have discovered that Earth’s inner core may not be fully solid. (Image: Canva) Earth's inner core may be superionic, behaving as both solid and liquid. Discovery explains slow earthquake ...

This superionic state of matter would neatly explain some unusual behavior in the core, such as the way it slows certain waves, and measurements that suggest it's squishy like butter rather than rigid ...