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Nature Geoscience

Heart of Earth's inner core revealed

Heart of Earth's inner core revealed

Scientists say they have gained new insight into what lies at the very centre of the Earth. Research from China and the US suggests that the innermost core of our planet has another, distinct region at its centre. The team believes that the structure of the iron crystals there are different from those found in...

Wrinkled Mercury's shrinking history

Wrinkled Mercury's shrinking history

The planet Mercury is about 7km smaller today than when its crust first solidified over four billion years ago. The innermost world has shrunk as it has cooled over time, its surface cracking and wrinkling in the process. Scientists first recognised the phenomenon when the Mariner 10 probe whizzed by the planet in the mid-1970s. But...

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