NOAA's Space Weather Prediction Center (SWPC) in Boulder, Colo., issued a G3 (strong) geomagnetic storm watch for Tuesday, Nov. 11, 2025 into the following day. This comes as forecasters watch a pair ...

Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection could disrupt Earth's magnetic field and ...

Solar activity has kicked into high gear already this week with two powerful X-class solar flares erupting from active region AR4274 — one on Nov. 9 and another early Nov. 10 — each potentially firing ...

Fast solar wind and possible CME activity may increase northern lights chances over Christmas, mainly across high-latitude regions ...

If you're hoping for a festive skywatching surprise, Christmas week is shaping up to be more active than usual in space. Fast ...

A G2 storm, rated “moderate” on the five‑tier NOAA scale, can induce voltage irregu­larities in power systems and affect high ...

It’s incredible to think that the sun, roughly 93 million miles away, can mess with our power grids here on Earth and paint our night skies with ribbons of green and red. But that’s exactly what ...

The Sun looks like a warm yellow sphere with a surface covered with glowing messy hair. The yellow glow extends to the edges of the image, with some regions brighter than others. Many bright yellow ...