Thursday, Feb. 29 is leap day — that's something you don't hear very often. Here’s what you need to know about the day that happens almost every four years. 🗓️ What is a leap year? A leap year is ...

The Vatican Observatory announced this week the naming of four newly discovered asteroids after notable Catholics, including Pope Gregory XIII, who began the tradition of papal astronomers and ...

ROME (AP) — Pope Gregory XIII, the 16th century pontiff responsible for the Gregorian calendar, now has another celestial claim to fame. ROME (AP) — Pope Gregory XIII, the 16th century pontiff ...

ROME -- Pope Gregory XIII, the 16th century pontiff responsible for what is today known as the Gregorian calendar, now has another, celestial claim to fame. A working group of the International ...

Have you noticed an extra day on your 2024 calendar? Well, it's not a mistake. This year, February will have a 29th day, also known as Leap Day. Leap Day occurs roughly every four years. According to ...

This week, two holidays are being celebrated across the country, as the first night of Hanukkah falls on the same day as Christmas. The Jewish celebration of the Festival of Lights begins at sundown ...

The sun sets behind the dome of St. Peter’s Basilica, in Rome, on Feb. 20, 2023. Pope Gregory XIII, the 16th century pontiff responsible for what is today known as the Gregorian calendar, now has ...