An astonishing scene featuring Perseid meteors and colorful auroras played out overnight on Aug. 12 and Aug. 13 above the U.K ...

It can appear as just a short arc to the west of the aurora or extend across the full sky from east to west. Large manifestations also show more depth in color — a deep red on top, mauve in the ...

A SAR arc was also captured on the East Coast in Virginia’s Shenandoah National Park, which sits at a similar latitude to Mammoth Lakes. Snider said he tracked reports of the aurora borealis on ...

The phenomenon looks like an aurora but is in fact something entirely different. ... “I started spotting what we used to call a proton arc in 2015,” Zeller said.

A river of hazy red light stretched across the night sky over Denmark after the most powerful solar storm to hit Earth for six years slammed into our planet. The rare phenomenon is not an aurora.

A river of hazy red light stretched across the night sky over Denmark after the most powerful solar storm to hit Earth for six years slammed into our planet. The rare phenomenon is not an aurora.