The Earth is predicted to make its fastest rotations on July 9, July 10, July 22 and August 5, according to a Time and Date ...

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth ...

Angular momentum is a fundamental quantity in physics that describes the rotational motion of objects. In quantum physics, it ...

Thanks to atomic clocks (and all the worldly forces that influence them), scientists know that Earth's rotation has begun to ...

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond during the long days of summer.

Melting polar ice is slowing the Earth’s rotation, but not enough to offset an even greater acceleration caused by changes in ...

What about the angular momentum principle? It essentially says that there is a property of objects called the angular momentum. You can change this angular momentum by applying a torque.

It should make sense, therefore, to anticipate that there won’t be any angular momentum — and hence, any spinning or rotation — on the largest cosmic scales.

Its moment of inertia increases, so for angular momentum to remain constant, the rotational speed has to decrease.

For such large internuclear distance, they found that Coriolis coupling, i.e., the coupling of molecular rotational angular momentum and electronic axial angular momentum, plays a dominant role ...