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 ...

The winter solstice falls on Dec. 21 in the Northern Hemisphere, marking the shortest day and longest night of the year. It also marks the official start of winter. For many folks, it's a hopeful ...

Pumpkin spice, cooler nights, football weekends and clock changes: fall is on the horizon. But the official start of autumn isn’t about lattes or leaf piles. It comes down to astronomy. When does fall ...

It's fall. But Christmas decorations and bags of rock salt popping up in stores serve as a reminder that winter isn't too far away. The winter solstice comes about three months after the autumnal ...

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 ...