Add Yahoo as a preferred source to see more of our stories on Google. The Earth's magnetic field deflects particles emitted by the Sun. Mark Garlick/Science Photo Library via Getty Images The Earth’s ...

How does a black hole generate a magnetic field and how can it be measured and visualized? Alan CroftSeattle, Washington As ...

Recent advances in radiation dosimetry have significantly refined the precision of radiotherapy treatments, particularly as clinical systems increasingly integrate magnetic resonance imaging. The ...

Uranus's mysteriously asymmetrical and skewed magnetic field has long confounded astronomers—until now. When the Voyager 2 spacecraft zipped past Uranus in 1986, it noticed that the huge gas giant's ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Without its magnetic field, life on Earth would not be possible ...

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes that ...

Space is a bad place, and it’ll always conspire to kill creatures as frail as we humans are. But that isn’t stopping us from going up there, in a bid to conquer the vast expanse. And to do that, we ...

Researchers studying a distant spiral galaxy have found that large-scale, ordered magnetic fields existed far earlier in ...

We all know that stars radiate light and much more. But radiation belts can also surround many other celestial bodies, such ...

The north magnetic pole’s observed locations from 1831–2007 are yellow squares. Modeled pole locations from 1590–2025 are circles progressing from blue to yellow. Credit: National Centers for ...