They found that the inner core once spun faster than Earth itself. But beginning around 2010, the solid inner core’s spin slowed. It’s now revolving backward, relative to the rest of the planet.

Evidence also suggests that it demonstrates superrotation, rotating faster than Earth itself, though it may have slowed in recent years. Using earthquake data, Vidale and his colleagues have been ...

They found that the inner core once spun faster than Earth itself. But beginning around 2010, the solid inner core’s spin slowed. It’s now revolving backward, relative to the rest of the planet. Their ...

Until now, it was widely believed that the inner core was a dense ball of iron floating ... believed to occur along minor faults on the plate itself or when ancient faults or rifts far below ...

The team noticed changes at the planet's centre and the findings shed light on the role that topographical activity plays in ...