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Earth's inner core is changing. Here's what the study has foundRecent research suggests Earth's inner core, primarily composed of iron and nickel, may not be entirely solid. Scientists observed shape al...
Earth’s inner core: A shifting, spinning mystery’s latest twistOne idea is that two titanic forces are battling for control over the world's heart.
Earth’s inner core may be spinning in ‘opposite direction’, says studyEarth’s inner core, which is roughly 5,000 kilometres (3,100 miles) below the surface, seems to have been spinning in the opposite directio...