Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why does a leap year have 366 days?

February 29 only comes around every four years - do you know the Irish history and traditions of Leap Day? Ireland's folklore is full of wonderful, funny, strange, but sometimes outdated ...

Happy birthday, leaplings! As you know, there is no Feb. 29, 2025, 2024 was the most recent Leap Year, and the next Leap Day is not for another three years. But … leaplings do something unique ...

Leap years help to keep the 12-month calendar matched up with Earth’s movement around the Sun. After four years, those leftover hours add up to a whole day. In a leap year, we add this extra day ...

February is here and romance is in the air - particularly with 2024 marking a leap year. Along with an opportunity to make use of the extra day, leap years have also long been associated with not just ...