In certain parts of the U.S., summer nights begin with an unbeatable light show. As dusk settles in, tiny yellow-green beads of light pulse in the darkness: lightning bugs just starting out for the ...

Fireflies, otherwise known as lightning bugs, are known for their ability to glow at night. According to the Xerces Society for Invertebrate Conservation, fireflies are actually not flies, but are ...

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.

(WHTM) — It is a sure sign of summer when you begin to see those lightning bugs (or fireflies) glow across the land. But have you ever wondered how these bugs glow, and why? North Carolina State ...