Curious about why we have one extra day stuck to the end of February every four years? Here are several fun facts about leap years and leap days.

From why we add an extra day to the calendar every four years to some fun historical facts, here's a celebration of all things Leap Year.

When is the next leap year? Here are some fascinating leap year facts, along with all the details about why leap day always falls on Feb. 29.

Leap Days are to account for Earth completing one full revolution around the sun about every 365.25 days. Thus, we add one day to the calendar every four years in February, giving us Feb. 29 ...

It's back! Leap Year is here again and we have a few small facts about the oddball day.

Today is February 29, the extra day we add to our calendars in leap years, which occurs every four years.

The concept of a leap year emerges as a critical adjustment, ensuring the synchronization of our calendar with Earth's orbit around the sun ...

Leap day is a day added to the end of February approximately every four years to keep the calendar consistent.

Leap day is Thursday, Feb. 29, 2024. Here are leap day facts about its connection to Julius Caesar and whether it’s always every 4 years.