Learn how some of Earth’s magnetic field flips last longer than others, weakening our defenses against cosmic radiation.
Morning Overview on MSN
Sun’s messy magnetic flip marks peak of current solar cycle
The Sun’s magnetic poles are in the middle of an uneven, drawn-out reversal as Solar Cycle 25 moves through its solar maximum phase. NASA and NOAA jointly announced that the current cycle has entered ...
Earth’s magnetic field has been acting restless, with the north magnetic pole racing across the Arctic and the field itself weakening in some regions. Those shifts have fueled viral claims that a ...
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