Find out what’s speeding up Earth’s rotation and why it may force timekeepers to delete a second ...

Climate change is slowing Earth's rotation at record speeds, causing GPS timing errors and navigation delays on your ...

For centuries, astronomers faced the challenge of classifying objects in space based on their appearance. When observing an ...

Time will stop on Tuesday, but only for a second. The world's timekeepers will be adding a sliver of time—a leap second—to our clocks. Just as leap years keep our calendars lined up with Earth's ...

Looking out to the future, we see a gradual but also very important shift occurring right under our feet; the Earth's own ...