Leap years account for the Earth’s 365.2420-day orbit, with complex rules deciding when an extra day is added to February.

Is this a commercial for the National Tourism Council of Ireland or for the conditioner Amy Adams uses in her hair? Either way, both look fabulous. Then there’s the movie, a soggy affair directed with ...

Most of the world has entered the final stretch of 2025. But there is one country still living in the year 2017. This is not an error in calendars. This is the unique rhythm of time in Ethiopia.

If the recent news of a new mathematics and statistics curriculum for years 0–10 felt familiar, that's because it was.