When the sun reaches its period of peak activity, known as solar maximum, our star's magentic field will suddenly reverse. But why does it happen, and will it impact Earth? When you purchase through ...

Scientists understand that Earth’s magnetic field has flipped its polarity many times over the millennia. In other words, if you were alive about 800,000 years ago, and facing what we call north with ...

THE revival of solar activity, now fairly begun after an interval of calm, prepares the way for a new attack on many classes of solar phenomena. Most important of these are the spots, of which the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Like the invisible force shield around the Death Star, Earth's magnetic field surrounds and ...

The rotation and convection of molten iron at the center of the planet creates a dynamo effect, generating Earth's magnetic field. alxpin / iStock Swirling around the solid inner core of our planet, ...

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 ...

Scientists understand that Earth's magnetic field has flipped its polarity many times over the millennia. In other words, if you were alive about 800,000 years ago, and facing what we call north with ...