Thunderstorms above Oklahoma sculpted a seldom-seen spectacle in the sky Friday morning. The formation of a horseshoe vortex ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

The state government in Texas lacks planning procedures to address climate change. The lack of preparation reflects the ...

The 100th meridian marks a dividing line between moist climates to the east and arid climates to the west. Climatologists now ...