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

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

T Coronae Borealis (T CrB) is reappearing in the spring night sky, so be ready in case it goes ... Next, locate Vega, a brilliant blue-white star in the Lyra constellation, above north-east.