"It would be amazing if a simple rotation of the universe was the origin of dark energy." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What is ...

Earth’s rotation has been measured many times over — but never like this. In a first, scientists used entangled quantum particles called photons to reveal the rate at which the globe spins. The feat ...

We know Earth’s rotation on a cosmic scale, but seeing it close up requires quantum mechanics. Interferometry is the use of light waves, sound, etc., to identify changes in matter or motion. New ...

The Sun turns, but not in the way a solid object would. It has no hard surface, no fixed edge to follow. What scientists describe as solar rotation comes from watching patterns move across a glowing, ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Humans’ unquenchable thirst for ...

The Earth has lost enough groundwater to thirsty humans to measurably tilt the planet’s axis of rotation. The net water lost from underground reservoirs between 1993 and 2010 is estimated to be more ...