Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature.
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The sun likes to remind us that Earth is merely one part of a ...
While we have sent probes billions of kilometers into interstellar space, humans have barely scratched the surface of our own ...
Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Using 11 years of magnetic field measurements from the ...
Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t pose a threat to life Earth’s magnetic field surrounds the planet, with ...
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 may have solved the mystery of why the moon shows ancient signs of magnetism although it has no magnetic field today. An impact, such as from a large asteroid, could have generated a cloud ...
Twentieth-century explorations answered many questions about our satellite and its place in the solar system. But they also raised many new and challenging questions that still remain unanswered. One ...
Hosted on MSN
The hidden dangers of a weakening magnetic field
Our planet's invisible shield is changing in ways that scientists are only beginning to understand. Over the past two hundred years, Earth's magnetic field has weakened by around nine percent on a ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results