On December 31, 2005 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, ...

This month, the U.S. Naval Observatory’s Flagstaff Station will celebrate the 50th anniversary of its establishment as the USNO’s dark-sky observing site. This milestone will be marked by a public ...

1600 Pennsylvania Avenue in Washington may be the most famous address in the United States. Every president since John Adams has lived at the White House. But where does the vice president live? The ...

The U.S. Naval Observatory will hold a rare open house Saturday as part of a celebration of the International Year of Astronomy marking the 400th anniversary of Galileo's first examination of the ...

In the 2021 National Defense Authorization Act, Congress established a commission to rename several military bases and ships that commemorate members of the Confederacy. One of these is the Naval ...

In the 2021 National Defense Authorization Act, Congress established a commission to rename several military bases and ships that commemorate members of the Confederacy. One of these is the Naval ...