Add Yahoo as a preferred source to see more of our stories on Google. Earth's rotation is slowing down, and it could be why we have oxygen for life Ever since its formation around 4.5 billion years ...

Earth's rotation is randomly speeding up, and nobody is quite sure why. These speedups, which have occurred several times over the last few years, haven't had any effect on daily life, but they also ...

Add Yahoo as a preferred source to see more of our stories on Google. California is set to experience one of its shortest days on record — and, no, it’s not because summer is winding down in the ...

If you haven’t accomplished as much this summer as you had hoped to, you can blame forces far beyond your control: a few of these dog days, by one measure, are among the shortest you’ve ever lived ...

Understanding inner core oscillations is key to grasping Earth's rotation variations and magnetic field changes, linking deep processes to surface effects.

Earlier this month, the Earth spun just a bit faster than usual on July 9 and is expected to do so again on July 22 and Aug. 5, according to the website TimeAndDate. Over a millisecond was reportedly ...

On certain trans-Pacific flights, you can "time travel" by crossing the International Date Line. For example, if you want to go from San Francisco to Tokyo, and your flight departs at 5:00 p.m. on ...