Every January, Earth reaches its closest point to the Sun, known as perihelion. Yet, it’s winter in the Northern Hemisphere.

Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals. Earth's seasonal cycles can vary dramatically across short distances, even at the ...

Scientists have discovered something remarkable about our planet: the familiar cycle of spring, summer, autumn, and ...

NASA captured 20 years of changing seasons in a striking new global map of the home planet. The data visualization, released this week, shows Earth's fluctuations as seen from space. The polar ice ...