This week, as spectacular auroras were visible across the country, I was curious to learn more about the geomagnetic storms ...

The last in a series of three coronal mass ejections hit Earth on Wednesday, so experts are keeping an eye on geomagnetic ...

Geomagnetic storm activity is expected to continue this week, but will Nashville catch a second glimpse of the northern ...

A severe geomagnetic storm put the power grids in at least 11 states at risk this week, posing a threat to millions.

Auroras might be seen again tonight, Wednesday, Nov. 12, across the nation thanks to another powerful coronal mass ejection that's headed for Earth.

A powerful geomagnetic solar storm is helping to unveil northern lights across the United States. Here's how auroras become visible.

Northern lights were visible in several parts of the U.S. Tuesday night into Wednesday. So what are auroras, and what caused ...

A G4 geomagnetic storm watch has been issued, signaling the potential for yet another display of the northern lights across ...

What: A major coronal hole on the Sun is releasing high-speed solar wind toward Earth, driving recent auroral activity and space weather disturbances. Coronal holes are cooler regions where the Sun’s ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...