Julius Caesar was believed to have messed up the months in a year, but was trying to fix the solar calendar, resulting in one ...

These graphics explain why Easter Sunday changes each year based on ancient interpretations of the solar and lunar cycles.

These graphics explain why Easter Sunday changes each year based on ancient interpretations of the solar and lunar cycles.

S ome years seem to zip by in the blink of an eye, while others seem to drag on for far longer. But some, like leap years, ...

Eastern and Western churches will celebrate Easter on the same day this year, while marking 1,700 years since the Council of ...

Easter's date changes annually because it is based on the lunar calendar. It occurs on the first Sunday after the Paschal full moon, which is the first full moon on or after March 21 (the spring ...

The answer lies in a blend of ancient tradition and astronomical calculation that dates back more than 1,600 years ... as they follow the Julian calendar rather than the Gregorian one used ...

Archaeologists were perplexed by a strange pair of discs found in Oman – only to discover these items were actually a single 4,000-year-old instrument. The cymbals date to the third millennium B ...

We married on July 1 two years later." In honor of their romance's significant milestone, here's a look back at how it all began, from their previous relationships to their first date to life now ...