How some of the world’s most precise clocks missed a very small beat. By Mike Ives and Adeel Hassan Time appeared to skip a beat last week when some of the world’s most accurate clocks were affected ...

Secretary of War Pete Hegseth joined military, congressional, state and local leaders Dec. 12 for a sign unveiling at the future 60-acre site for a new U.S. Space Command headquarters location at ...

The U.S. government calculates the country's official time using more than a dozen atomic clocks at a federal facility northwest of Denver. But when a destructive windstorm knocked out power to the ...