Plus, how to attract more lightning bugs to your home.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — Fireflies are lighting up ...

For many of us, seeing fireflies light up the night is one of the more pleasant signs that summer has arrived. But what's behind their sparkling flights? And what can we do to bring more of these ...