Okay, this isn't a news story, but I'm sure you'll learn something about the huge variety of creatures that glow. (It's not just diatoms and fireflies). There are lots of pretty pictures!
http://www.atlasobscura.com/articles/essential-guide-bioluminescence
(Sorry, photo permissions mean I can't post a preview, so you'll just have to click the link!)
http://www.atlasobscura.com/articles/essential-guide-bioluminescence
(Sorry, photo permissions mean I can't post a preview, so you'll just have to click the link!)