It's a right of passage in Iowa: Stepping out into your backyard to see fireflies lighting up the night sky. There are more than 170 species of glowing insects known as Lampyridae in North America.

The season for lightning bugs—also known as fireflies—is beginning as warmer, more humid air spreads north across the country. These glowing insects thrive in slightly tropical environments and are a ...

A firefly in Komono, Fukuoka prefecture, Japan. Grab a mason jar and fall back into childhood. Lightning bugs are back in Michigan! Long before string lights, catching a glowing beetle in a jar was ...

GATLINBURG, TN – They came out one by one and then all at once, swarming the underbrush and pooling in the hollows, blinking crazily like fiber optic filaments in a planetarium or outer space-themed ...

ST. LOUIS (KTVI) – Those magical summer dusk scenes we shared as children featuring fireflies are slowly becoming extinct. Depending on where you grew up, you may call them fireflies, lightning bugs ...