The East End Seaport Museum is starting an $880,000 project to stabilize and restore the Long Beach Bar "Bug" Lighthouse off ...

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.

You’ve probably seen or heard at least once in your lifetime about fireflies – the famous light-emitting insects! They form the Lampyridae family and are sometimes called glowworms or lightning bugs.

Whether you like to call them fireflies or lightning bugs, there's no denying that they are fascinating to watch on a warm summer evening. But have you wondered what makes these tiny bugs light up?