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

Over half of Purdue undergraduate students who finish in four years or less take advantage of summer and winter coursework. Summer and winter can be a excellent time to complete coursework, ...

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.