On December 31, 2008 a “leap second” will be added to the world’s clocks at 23 hours, 59 minutes and 59 seconds Coordinated Universal Time (UTC). This corresponds to 6:59:59 pm Eastern Standard Time, ...

Can you learn what happened to the clock at the entrance to the Naval Observatory on Massachusetts Avenue NW? It sat there in presumably broken condition for many weeks and then disappeared altogether ...

As we get ready to 'spring forward' in Atlanta, time is at the top of mind. Precise Time is kept in the U.S. by the Navy, at the U.S. Naval Observatory in Washington, D.C. The history of that dates ...

You know when you dial a number, and a man reads you the exact time at the tone? That precise timekeeping starts at the Naval Observatory in... Keeping Time By Rubidium At The Naval Observatory LINDA ...

We're spending part of our summer stargazing. And this week, as part of our series looking at the heavens, we went to the U.S. Naval Observatory, which sits on high ground, overlooking most of ...