Watch this fascinating demonstration of air pressure at work. Notice how the egg vibrates as the heated air escapes around it, and how it gets smoothly pushed into the bottle by atmospheric pressure.

Understanding atmospheric pressure is vital, newsroom meteorologist Justin Ballard said, because those giant H’s and L’s representing high and low air pressure systems on a weather map are meaningless ...

A polar vortex collapse is expected to bring in harsh winter-like weather conditions in parts of Canada and the US around the middle of this month. The same weather phenomenon impacted several regions ...