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

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 ...

Photographer Andrew McCarthy recorded a year's worth of full moons to show the lunar libration. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The moon orbits Earth — right? The answer is actually a little more complicated than that. The moon is circling a point about 3,000 miles from our planet's center, just below its surface. Earth is ...