The same company behind the purple beam atop Golden 1 Center was doing a demonstration of its mobile beam van.

Those streaks of pink and purple light in the night sky were caused by a geomagnetic storm, which the National Oceanic and Atmospheric Administration’s Space Weather Center describes as “a ...

Norelyza said the purple night sky does not necessarily mean it was a signal for extreme weather or climate anomalies. “Purple skies do not signal danger on their own, but more frequent ...