The Fourth of July is synonymous with fireworks displays, but before all the bright colors and thunderous booms, scientists are hard at work behind the scenes making each firework display its best.

NBC's coverage of the opening ceremonies for this summer's Beijing Olympics drew record ratings for any games held outside the U.S., as an estimated 69.9 million American viewers tuned in. But during ...

HILO, Hawaii (AP) — Independence Day revelers in Hilo had to wait more than 40 minutes for their Fourth of July fireworks show and then never got to see the promised grand finale. A pyrotechnician is ...