Why is the earth a magnet? The best answer at present is that the slow flow of matter in its fluid core generates electric currents, which in turn set up a magnetic field Skip to main content ...

Chinese scientists think it's time to rewrite the Moon's history after analyzing samples from returned to Earth by the ...

Meanwhile, the magnetic poles are defined as the points where the Earth's magnetic field meets the surface, and are the same ...

For example, dynamo processes in the core of the Earth give us our powerful magnetic field. But astronomers also find magnetic fields at the very largest of scales, with weak but persistent fields ...

Rock samples collected from the moon's far side by China's Chang'e-6 lunar probe have provided groundbreaking insights into the evolution of the lunar body's magnetic field. Analysis of the samples, ...