Opinion

Solar Vigilance

India’s Sun-watching spacecraft is about to face the moment it was built for. In 2026, the solar cycle will crest, the Sun will flip its magnetic poles, and the familiar yellow disc will turn into a ...
The flare might just inspire a display of Northern Lights even in Illinois, Oregon, Alabama, and Northern California.
In May 2024, Earth's protective plasma envelope shrank to one-fifth its normal size in less than nine hours—the most dramatic ...