Earth's Tilted Dance Through Space 44 degrees, or about half way between its extremes, and this angle is very slowly ...

The planet's seasons are not as immutable as previously thought. Turns out there are parts of the world that have different seasonal timing than those regions even just a short distance away. This ...

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 ...

Calendars found in homes across the country usually say winter begins on Dec. 21, when in reality the season starts three ...

WASHINGTON — While the temperatures may not reflect it just yet everywhere, fall is officially upon us. The autumnal equinox, which comes around every September for the Northern Hemisphere, marks the ...