When we think about a day on Earth, we usually take it for granted that it lasts 24 hours. But in reality, Earth’s rotation is a bit different. It’s not fixed, and over time, even tiny shifts in how ...

Two studies funded by NASA have concluded that Earth’s rotation is slowing due to Earth’s melting polar ice caps. This adjustment in planetary mass is enough to change the rotation as added water to ...

As if it's not already hard enough to find the time to do everything you need to do in a day, now you're about to lose another whole millisecond or more. In fact, experts say Tuesday, July 22, could ...

Scientists announced Monday that Earth is rotating slightly faster than normal, resulting in what is expected to become the second-shortest day ever recorded since precise atomic timekeeping began.

Every second, the Earth spins at an incredible speed, completing a full rotation in just 24 hours. While this may seem ordinary, the simple act of our planet turning on its axis is responsible for the ...

Add Yahoo as a preferred source to see more of our stories on Google. There are many pieces of evidence to help explain why the Earth spins, and some major mysteries. Jose Luis Pelaez ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth could be about to record its fastest-ever rotation.

The rotation of the Earth's inner core may be reversing, scientists have found in a study that sheds new light on geological processes occurring deep within our planet. The results of the research, ...

A new study confirms that Earth's inner core has been rotating more slowly than usual since 2010. This mysterious "backtracking" could also end up slightly altering the planet's overall rotation, ...