You may have noticed that meteorologists and climatologists define seasons differently from “regular” or astronomical spring, summer, fall, and winter. So, why do meteorological and astronomical ...

Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere ...

After years of little snow across the Chicago area, recent record-breaking snowfall and below-freezing temperatures might seem to contradict scientific reports of winters getting warmer. But climate ...

From equal days to extreme daylight shifts, 2026’s solstices and equinoxes mark Earth’s precise seasonal turning points, ...

Monday, Sept. 22 is the autumn equinox, marking the first day of astronomical fall. Beginning dates of meteorological and astronomical fall are different every year. What will Florida temperatures be ...