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 ...

Lightning bugs, also known as fireflies, are harmless insects known for their ability to produce light through a chemical reaction called bioluminescence. The term "lightning bug" is a common, ...

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 ...

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?

Summertime means days out in the sun and evenings under the stars. The season also evokes memories of time spent by the pool or in front of campfires and admiring the flicker of lightning bugs — or ...

It’s an age-old debate that divides families, friends, states and nations: Lightning bugs or fireflies? You chased them as a kid, captured them in your hands. Maybe even put them in jars for an hour ...