This February is a little longer than usual. It's a leap year, and today — Thursday, Feb. 29 — is Leap Day. The calendar oddity means this year is actually 366 days long, instead of the regular 365.

It takes 365 days, 5 hours, 48 minutes and 45 seconds for Earth to orbit the sun. Cue Leap Years. Next week sees an extra day in the 2024 calendar—a leap day. You’ll remember the last leap year. It ...

With holidays like Valentine's Day, Presidents Day, Groundhog Day and Super Bowl Sunday (yes, an unofficial one, but still worth celebrating), February is arguably one of the most festive months of ...

Happy birthday to the millions of leaplings around the world who get to celebrate their day on the actual date of their birth. Cheers to the leap year! But how did we even end up with leap years? “It ...

Leap year. It's a delight for the calendar and math nerds among us. So how did it all begin and why? Have a look at some of the numbers, history and lore behind the (not quite) every four year phenom ...