Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.

Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...

Researchers have developed a new portable tool that could improve how firefighters douse fires, making the process more efficient and far less risky.

A significant meteorological event is poised to impact vast regions of the United States. The polar vortex, a large area of low pressure and cold air surrounding the Earth’s poles, is expected to ...