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Geomagnetic storms aren't just beautiful to look at — these disturbances in the Earth's magnetic field could also be messing with your mind and body. There's a ton of evidence suggesting that geomagnetic storms can cause everything from depression to cardiac problems — and may even be influencing the stock market. More »
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No, Earth hasn't suddenly migrated next to the Sun, but everything else about this picture is awesomely real. This is a plasma eruption from sunspot group AR 1302, the most recent solar storm to wreak havoc on Earth's magnetic field... Read Post

One of the many mysteries of Mars is how the planet lost its magnetic field 4 billion years ago. Evidence suggests the planet once had a magnetic field just like Earth's, created by a churning molten... [[ This is a content summary ... Read Post

Earth's magnetic field was pummeled by a double coronal mass ejection (CME) over the weekend, giving rise to more than 24 hours of geomagnetic storms and exceptionally beautiful northern lights. Here, astrophotographer Brad Goldpain... Read Post