A mysterious spiraling blue light illuminated the night skies ... or 9 p.m. local time, shows the glowing light spinning across the sky in what many social media commentators likened to a spiral ...

This effect has been widely studied in marine ... This study confirms his theory, showing that these birds glow under both blue and UV light. Not all birds exhibit biofluorescence.

The Cradle of Forestry will offer Blue Ghost Firefly Twilight Tours during May and June. The fireflies are known for their ...