From fireflies to comb jellies, here is a list of eight animals that naturally glow in the dark. Fireflies use flashing light to attract mates, but begin emitting light even as larvae. The glowworm ...

Aliens, black holes and far-off galaxies were some of the suggested explanations for a spectacular spiral light which appeared in the skies over Yorkshire and Lincolnshire on Monday. The phenomenon is ...

When white light strikes a blue feather, the keratin pattern causes red and yellow wavelengths to cancel each other out, while blue wavelengths of light reinforce and amplify one another and ...

Ever wondered what makes those glow-in-the-dark cocktails ... or those green juices can create striking effects under UV light. For a cocktail that glows blue, mix your favorite energy drink ...