A strange blue spiral lit up the skies over Europe on ... and Hungary to flood social media with photos and videos, along with requests to identify this weird light. Some users even speculated that ...

A stunning blue light likely caused by SpaceX Falcon 9 rocket fuel illuminated the night skies over Europe on Monday.

"Our dark adapted eye is more sensitive to blue, so we'll perceive the sky brighter, so more light polluted." Original image has been replaced. Credit: Mashable The new study is the most recent in ...

The aurora borealis lit up the night sky in Michigan ... a greenish-yellow light (the most familiar color of the aurora) or a red light; nitrogen generally gives off a blue light.