Earth’s rotation is no longer matching the tidy 24-hour day that our technology assumes. Since 2020, each day has been ...

Earth's changing spin is threatening to toy with our sense of time, clocks and computerized society in an unprecedented way — but only for a second. For the first time in history, world timekeepers ...

Add Yahoo as a preferred source to see more of our stories on Google. The National Institute of Standards and Technology (NIST) fulfills a vital role in national security: employing the sort of people ...

Scientists confirm that clocks on Mars run faster than on Earth and will change global space navigation in the future ...

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 ...

Time moves differently on Mars — not in the Tibetan philosophy sense of the word, but in a measurable, physics-will-ruin-your-mission kind of way that's giving NASA engineers a real headache. As the ...