Atomic clocks — among the most precise instruments humans have ever built — have been keeping track of Earth’s spin since the ...

Scientists anticipate that Earth's rotation will quicken enough to create three shorter days between July and August, ...

Get ready for a blink-and-you'll-miss-it moment this July 9th, as our planet is poised to experience one of the shortest days ...

While that tiny time difference is imperceptible to humans, it represents part of a broader pattern that has left scientists ...

Earth's shortest day on record is expected this Wednesday, with more shorter days on July 22 and August 5 due to the Moon's position, causing Earth to spin faster by 1.3 to 1.51 milliseconds.

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...