How record heat and monumental fireworks could spark miserable air quality for July Fourth

With bigger fireworks celebrations across the US, cities are expected to experience poor air quality under historic heat.
WJTV Jackson on MSN

Weather 101: Science behind fireworks

Live at 9 ...

Red, white but rarely blue – the science of fireworks colors, explained

I’m a chemist and also president of Pyrotechnics Guild International, an organization that promotes the safe use of fireworks and using them here in the U.S. to celebrate Independence Day and other ...
Sciencing on MSN

The difference between firework colors is easily explained by science

Fireworks represent a mix of science and art, and their colors and striking effects are the result of applied chemistry and ...

Last-minute launch problem delays satellite rescue mission for NASA

A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.