Add Yahoo as a preferred source to see more of our stories on Google. A synchronous firefly event in Tennessee's Great Smoky Mountains National Park. Photinus carolinus fireflies annually flash in ...

On a summer evening, did you ever linger in an open field to experience the stunning light show of fireflies? How do they do it, and why? “Firefly” is a misnomer, as is “lightning bug,” because they ...

Iowa natives likely have a memory of seeing rural Iowa lit up by fireflies during the summer months; however, this tradition could be changing. There are more than 2,500 species of fireflies across ...