Add Yahoo as a preferred source to see more of our stories on Google. The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to the ...

This phenomenon, known as lunar recession, is caused by the complex gravitational relationship between Earth, our tides and ...

The moon is our only natural satellite and has been orbiting Earth for about 4.5 billion years. It helps illuminate the night sky, has great cultural significance to some, and was the first celestial ...

The Moon may preserve a chemical record of Earth’s ancient atmosphere, and those same materials could one day support future lunar missions.