May 23-26 Boulder Creek Festival. Boulder Creek Fest and the annual Bolder Boulder 10K race are Boulder’s official kick-off to summer. Grab the kids and head up U.S. 36 for a weekend filled with food, ...

On March 15, 2024, near the peak of the current solar cycle, the sun produced a solar flare and an accompanying coronal mass ...

NASA's Perseverance rover recently captured a photo of green auroras shining in the Martian sky for the first time. The alien ...