Increased solar activity causes auroras that dance around Earth’s poles, known as the northern lights, or aurora borealis, and southern lights, or aurora australis. When the energized particles from coronal mass ejections reach Earth’s magnetic field, they interact with gases in the atmosphere to create different colored lights in the sky.

Storm Claudia is set to bring heavy and persistent rain to parts of the UK with amber warnings issued with risk of flooding and disruption.

Evacuation warnings were issued across L.A. County as a storm approached Southern California, bringing the potential for an early end to the fire season as well as risks of flooding and mudslides.

Winter storm warnings spanned Mono County, as well as the Sierra Nevada from Yosemite National Park to Tulare County.

More than 10 inches of snow was expected to fall in some areas south and west of Lake Michigan. The cold system was expected to move further east on Tuesday.

Hurricane-force winds were whipping up 40-foot waves as part of the early winter storm on Nov. 11-12 that cut a wide swath of destruction from Kansas into Michigan.

The most powerful solar flare of 2025 has launched a ball of energy toward Earth that could trigger widespread auroras across the northern half of the United States.

Taiwan evacuated more than 3,000 people from vulnerable areas and closed schools and offices on Tuesday ahead of the arrival of tropical storm Fung-wong, which killed at least 25 people and displaced more than 1.