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

but it was already dark across Europe when it lifted off. As it zoomed across the sky to reach space, it produced a mesmerizing blue spiral that left many Europeans scratching their heads.

A SpaceX rocket launch from Florida on Monday afternoon produced a dazzling display in the night sky above Europe, leading to ...

With more sightings of the northern lights across the U.S. than usual in recent years, now is an excellent time to make the trek to a Dark Sky Place. Even if you don't see the rainbow of colors ...