Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its ...

Earth’s moon phases cycle from month to month, waning and waxing in its constant transformation from new moon to full moon and back again. This lunar cycle happens in part because the moon does not ...

Tides come from a difference in gravity across an object. The force of gravity exerted by the Moon is about 4% stronger on the side of Earth that faces toward the Moon, compared to the opposite side ...

In my most recent article for Scientific American, I may have lied to you. In my defense, I didn’t so much lie as maybe oversimplify a tiny bit. I wrote that because of the effects of the tidal force ...

A study published in Nature Geoscience suggests that the gradual slowing of Earth’s rotation over billions of years may have played a key role in one of the most profound shifts in the planet’s ...