Tag Archives: geology

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Lost in migration: Earth’s magnetic field overdue a flip

The discovery by NASA rover Curiosity of evidence that water once flowed on Mars – the most Earth-like planet in the solar system – should intensify interest in what the…

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Earth’s core 1,000 degrees hotter than thought, on par with the sun

  Think it’s hot on the sun? Well it’s just as hot under your feet, according to new research suggesting the Earth’s core is a scorching mass of iron that’s…