The U.S. Treasury last year swelled with revenue from President Donald Trump’s double-digit taxes on imports from almost every country on earth.

The House passed a bill Tuesday that would make daylight saving time permanent. Proponents, including the White House, argued ...

U.S. House lawmakers voted 308 - 117 to pass a bill Tuesday making daylight savings time year-round, sending the legislation to the Senate.

The U.S. House will vote this week on a bill making daylight savings time permanent, despite warnings from medical, education ...

For decades, scientists have tried to build a device even more precise than an atomic clock, which keeps time using electrons, the negatively charged particles that whiz around in an atom. Now, two ...

Two teams of physicists have made the world’s first nuclear clocks. These radical new devices keep time using fluctuations in the energy states of an atom’s nucleus, rather than those of its electrons ...