A mysterious spiraling blue light illuminated the night skies over ... shows the glowing light spinning across the sky in what many social media commentators likened to a spiral galaxy.

One among those concepts is, “Why does the sky appear blue during the day but space looks pitch black?” Doesn’t it really wreck the human mind? To truly get an answer to this, we need to ...

Forbes contributors publish independent expert analyses and insights. Jamie Carter is an award-winning reporter who covers the night sky.

Stargazers across Europe saw a strange and mysterious blue spiral in the night sky that was likely caused by a SpaceX Falcon 9 rocket's launch.