Winter Solstice has long marked a time of rebirth, behind it are fascinating astronomical events.

The winter solstice is the shortest day of the year with the least amount of sunlight. In Earth's northern hemisphere, it ...

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 ...

Every year, Earth follows a familiar pattern of seasonal changes: As summer rolls around in the Northern Hemisphere, winter creeps in in the Southern Hemisphere, and vice versa. But do other planets ...