The moon is weird. It's completely unlike anything else in the solar system. So how did our planet end up with such a special ...

A discovery of ancient rocks might finally answer one of the biggest questions in science: how did the Moon form? Researchers have uncovered chemical clues from 3.7-billion-year-old feldspar crystals ...

The moon's orbit isn't a perfect circle. Instead, it's more stretched out, kind of like an oval, which means its distance from Earth varies by about 30,000 miles (48,000 km). The surface of the moon ...