OTSU, Japan (Kyodo) -- A Japanese fireworks manufacturer and a university professor have jointly developed more environmentally friendly fireworks with water-soluble shell casings that naturally ...

Green peonies, blue dahlias, red crossettes, white and silver chrysanthemums; how are all of these incredible firework displays produced?

Add Yahoo as a preferred source to see more of our stories on Google. Canada Day is coming up and numerous fireworks shows will no doubt be occurring across the country. Here’s the amazing science ...