Christopher Davies
Latest articles by Christopher Davies
![It's long been a mystery how fast the Earth's magnetic field changes.](https://cdn.mos.cms.futurecdn.net/mkPu74UJF7Lbv5AzVRLMEe-320-80.jpg)
Earth's magnetic field may change faster than we thought — new research
By Christopher Davies last updated
Our new study, published in Nature Communications, has uncovered some answers.
![Photo of a nearly full Moon shining brightly on the Earth’s atmosphere, taken from the International Space Station.](https://cdn.mos.cms.futurecdn.net/PckFKkkGbLKrRBs8KCYLi4-320-80.jpg)
Life on Earth: Why we may have the moon's now defunct magnetic field to thank for it
By Christopher Davies, Jon Mound published
These fields are generated thousands of kilometres below the planet’s surface in its liquid core and extend far into space – shielding the atmosphere from harmful solar radiation.
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