Ever feel like there's just not enough time in the day? Turns out, you might be onto something. Earth is rotating faster than it has in the last half-century, resulting in our days being ever-so-slightly shorter than we're used to. And while it's.
Recent changes in the speed at which the Earth rotates may result in the need for a negative leap second. One expert explains what this is, and how it impacts timekeeping on Earth.