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 annual clock of the seasons—winter, spring, summer, autumn—is often taken as a given. But our new study in Nature, using a new approach for observing seasonal growth cycles from satellites, shows ...

Add Yahoo as a preferred source to see more of our stories on Google. Fall arrives on Sept. 22 in Michigan as we reach the equinox — the halfway point between the summer and winter solstices. The fall ...

Friday morning, March 20, marks the triumphant return of spring in the Northern Hemisphere. Spring is a glorious, warm season after the harsh cold of winter—filled with light and more sun-induced ...

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 ...

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 ...