Most planets have a magnetic field, like Earth, but with different strength or structure. It shields the planet from the energetic particles of the solar wind. The origin of the magnetic field is ...

Two German physicists have reimagined how to create powerful and uniform magnetic fields using compact permanent magnets. By overcoming the limitations of the well-known Halbach array, which works ...

Permanent magnets play a crucial role in medicine due to its field strength, tunability of field and gradient distributions, as well as practical implementation. In a new study published in KeAi ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Jun 30, 2025, 07:58am EDT Jul 01, 2025, 04:44am EDT For 540 ...

These rocks offer evidence that Earth had a strong magnetic field 3.7 billion years ago, but scientists aren't sure where that field could've come from. When you purchase through links on our site, we ...

Recent scientific revelations have brought to light that Earth’s magnetic field, our primary line of defense against harmful solar radiation, can experience significant weakening in a matter of months ...

The reversal could actually have a beneficial effect on Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sun is on the verge of a ...