As Iranians celebrate the Persian New Year, explore the fascinating calendars still used around the world—shaped by sun, moon ...

Pranks, jokes and hoaxes are all part of the April Fools' Day tradition.How did it get started? No one really knows for ...

Imagine going to bed October 4, 1582, only to wake up the next morning and find out it was October 15. No, this was not a ...

For centuries, churches have used different methods to calculate the date of Easter. Rarely do they coincide. The search for ...