Trump administration wants to eliminate broadcasts of U.S. "master clock."

The Grand Slam tennis event will add 25-second timers to keep matches moving.

Yes, it's saving, not savings. No, that's not one of the five things …

The leap second keeps atomic clocks (and therefore computers and cell phone networks) on the same cycle as the Earth’s rotation. Some businesses want to scrap it so they don’t have to stop and adjust their systems every year or two.