Radiation belts are a normal part of the architecture of a planet with a global magnetic field. Stars are constantly leaking particles, borne by a stellar wind; these stream out and, where they ...

Auroras have long mystified humanity. Now that we know what they are and why they happen, we can better predict how best to ...

A massive coronal hole on the Sun is sending solar wind toward Earth, increasing aurora visibility in higher latitudes.

Solar storms pose a serious threat to power grids, satellites, and communications, yet predicting them has always been a ...

A supercharged display of auroras could light up the night sky over the weekend and be visible from various locations across ...

Auroral activity is best seen between 10 p.m. and 2 a.m. local time while at a high vantage point away from light pollution, ...

The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

A massive coronal hole has opened on the sun, sending high-speed solar wind toward Earth and increasing aurora activity.

A vast 500,000-mile-wide coronal hole has opened in the Sun's atmosphere. The area measures over 62 times the diameter of ...

While G1 storms are considered the mildest category, they can still have noticeable effects, particularly in terms of aurora ...

The National Weather Service has issued a winter weather advisory for the Sacramento area until Sunday at 4 p.m., with wind ...

The effects of a coronal mass ejection—a bubble of plasma that bursts from the sun’s surface—will likely impact Earth’s ...