Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the difference, showing that Mars clocks tick slightly faster—and fluctuate over the ...

A life-long tinkering habit, a broken clock and a set of DVDs led Harold MacVittie to a busy post-retirement job with his own shop in the heart of downtown Chapin. “People don’t realize how many ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly more than that for our moon, posing potential challenges for future crewed ...

Here on Earth, we take for granted the fact that my watch displays the same time as everybody else's watch does, at least within my time zone. And when you step back and think about it, it is kind of ...