Crystals hidden in Australia’s oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests Earth’s continents didn’t begin growing until hundreds of millions of years after the planet itself formed.

Whether it’s under the stars on the Main Green, from smudged dorm windows or through open sunroofs, we see the moon nearly every night. But a new study by Brown researchers suggests that we know less about the formation of this familiar celestial sight ...