Scientists say the 'skyglows' represent an entirely new celestial phenomenon Scientists began studying mysterious ribbons of light dubbed 'Steve' in 2016 While they were thought to be auroras, study shows they form differently Experts now say they're a distinct phenomenon that was previously unknown Mysterious purple and white ribbons of light seen dancing across the sky may represent a never-before-identified type of ‘skyglow.’ While amateur photographers have been documenting the phenomenon for decades, scientists only began to study it back in 2016. Initial research suggested the lights, which have come to be known as STEVE, may be a type of...