Although Earth’s two hemispheres lie on opposite sides of the planet and differ in many ways, they share a peculiar ...
New research challenges the idea that the hemispheres' matching brightness is a fundamental property of the planet ...
Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere ...
What happens when a long-standing planetary symmetry starts to unravel? For decades, Earth’s Northern and Southern ...
In the US, the flu season starts in October and can go until early spring, with cases peaking in February.
Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere ...