Here's why fireflies sparkle at night, plus some of the best places to see them in Arizona and the best time of year to look.

In the United States, glowing insects are known as "fireflies" or "lightning bugs" depending on where you live. "Firefly" is the more common term in the West and New England, while people in the ...

There are threats to fireflies as well ... The name firefly, lightning bug or glow worm can be interchanged and belongs to the beetle family of which there are more than 2,000.

The winged creatures, also known as lightning bugs, were a summer highlight for many enthusiastic youngsters ... “Nocturne” ...