Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once ...

More broadly, "at approximately 238,000 miles (384,000 kilometers) from Earth, the Moon is protected from any unpredictable ... Some are also worried that a project of this scale would shift ...

Researchers at Penn State University suggest that Earth’s only satellite may have come from a “binary-exchange capture” ...

Scientists are planning to install ultra-precise clocks on the moon to establish a unique lunar ... surface is around 56 ...