You may have noticed that more auroras have been visible in recent years, including from lower latitudes. Here's why the northern lights have been amped up lately.

For many millions of years, our planet has experienced glacial periods followed by warmer periods. A crucial role in these ...

As a result, temperatures are cooler. The changing tilt of the Earth has a bigger effect on places at higher latitudes: in summer, higher latitudes in the northern hemisphere have longer daylight ...

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