Mother’s Day (USA)
Mother's Day in the United States is an annual holiday celebrated on the second Sunday in May. Mother's Day recognizes mothers, motherhood and maternal bonds in general, as well as the […]
Mother's Day in the United States is an annual holiday celebrated on the second Sunday in May. Mother's Day recognizes mothers, motherhood and maternal bonds in general, as well as the […]
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
World Metrology Day is an annual celebration of the signature of the Metre Convention on 20 May 1875 by representatives of seventeen nations. The Convention set the framework for global […]
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
Memorial Day is an American holiday, observed on the last Monday of May, honoring the men and women who died while serving in the U.S. military. Memorial Day 2021 will […]
In April 2018, the United Nations General Assembly declared June 3 as International World Bicycle Day. The resolution for World Bicycle Day recognizes "the uniqueness, longevity and versatility of the bicycle, which has been in use for two […]
Join Br. Guy Consolmagno, SJ and a few students from the 2023 Vatican Observatory Summer School. We'll discuss what brought them to Italy, what they've enjoyed most so far (besides the food) and what they hope to achieve in the future.
Charles Babbage (1791-1871), computer pioneer, designed two classes of engine, Difference Engines, and Analytical Engines. Difference engines are so called because of the mathematical principle on which they are based, […]
Vatican Observatory 2025 astrophoto calendars now available for purchase in our e-store!