As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

Interestingly, Earth is closest to the Sun at the start of every January, which coincides with winter in the Northern Hemisphere. Like every other year, in 2024, the Earth will reach the ...

Themes: The summer and winter solstices; the seasons and the Earth’s orbit around the sun; celebrations of the solstices around the world, including at Stonehenge; the beauty of the natural world.

Up here on the International Space Station I don’t get affected by the seasons but on Earth the seasons are always changing: Spring, Summer, Autumn and Winter. What causes the seasons to change?