Analysis of a piece of lunar rock brought back to Earth by the 1972 Apollo 16 mission has shown that the moon may be much younger than first thought.
The new analysis places the age of the moon at 4.36 billion years old, 100 million years younger than previous estimates.
The prevailing theory is that the moon was created by a giant impact between a large planet-like object and the young proto-Earth.
Read more at University of Copenhagen