The 'Last Week Tonight' host explains what a leap second is 2016 has been a long year — literally. The world successfully made it through leap day back in February, but we’re not out of the woods just
If you can't wait for 2016 to be over, I have some bad news; it's going to be a little bit longer than expected. In July of this year, the International Earth Rotation and Reference Systems Service (IERS)—which
Babylonian tablets suggest that Earth’s rotation is slowing less than expected. On the morning of April 15, 136 B.C.E., residents of the ancient city of Babylon, in what is now Iraq, experienced quite
On New Year’s Eve 2016, the world’s timekeepers will extend the year by exactly one extra second. Official clocks will hit 23:59:59 as usual, but then they'll say 23:59:60, before rolling over into 2017.