The annual Fourth of July fireworks show at North Lake, Mich. The Fourth of July, also referred to as Independence Day, has been celebrated across the United States since 1776 — and nearly 250 years ...

They were used to scare away evil spirits, and large animals. See how fireworks were born, and why we might want to replace them with a light that is brighter still.

The Fourth of July, also referred to as Independence Day, has been celebrated across the United States since 1776 — and nearly 250 years later, big cities, small towns, counties and states alike ...