The moon is 40 million years older than thought, lunar crystals study suggests

Don't miss a partial lunar eclipse of October's Full Hunter's Moon this week

Crystals brought back by astronauts show that the Moon is 40 million years older than scientists thought | After an ocean of magma cooled down, the lunar crystals formed at least 4.46 billion years ago

The moon is 40 million years older than scientists thought, according to a new study