VALLEY FALLS, Kansas (AP) — Charlie Riedel has been a staff photographer for The Associated Press based in Kansas City for 25 years. He has covered Olympics, Super Bowls and the Masters among many sporting events in his career. He also has covered presidential elections, weather disasters, the Gulf oil spill and protests.

Photos show the lights illuminating the sky in vivid color across the U.S. this week. They'll be visible again in some states on Thursday.

Nature offers many dazzling displays, from jagged flashes of lightning to radiant sunsets. But perhaps one of the most elusive natural phenomena is the shimmering waves of green, pink, and red dancing across the night sky,

Strong geomagnetic storms and a moderate solar radiation storm have led to an aurora view forecast for Wednesday night in the northern U.S.

After displays of auroras lit up the sky on Tuesday, another Northern Light array is expected to bring a gleaming light show to the northern part of the U.S. Wednesday.

The northern lights were visible Tuesday night across the Chicago area, illuminating the sky with brightly colorful displays due to severe solar storms.

On Tuesday, NOAA issued a G4, or severe, geomagnetic storm watch in response to recent coronal mass ejections, or CMEs, from the sun. CMEs are huge bubbles of coronal plasma that the sun occasionally ejects, NASA says. The highest geomagnetic storm level is G5, which is considered extreme.

Many missed this week’s aurora due to clouds, light pollution or a simple lack of patience. Here’s how to prepare better.

A geomagnetic storm made the aurora borealis visible across a swath of the United States again on Wednesday, illuminating the skies as far south as Arizona.

Skies over North America erupted this week with shimmering colors: Shades of pink, purple and green swayed across the skies in Northern as well as some Southern states. It followed two similarly prolific auroral displays in North America in October and May of 2024.