From hot summers and rainy monsoons to cool autumns and cold winters, seasons shape how we live, eat, dress and celebrate. But why does the Earth have different seasons every year? Contrary to popular ...

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 ...

A strip of cool water stretches west from South America along the equator, helping set the pace for some of the planet’s most important weather swings. That Pacific “cold tongue” helps steer the El ...