China’s Chang’e-6 mission has returned nearly two kilograms of rock and soil from the moon’s far side, and the laboratory results are forcing scientists to rethink how the moon formed and evolved.

The conventional explanation for the moon's formation is that an enormous rock smashed into the nascent Earth and created it as a result. A new theory challenges the particulars of how events may have ...

A research team has discovered another piece in the puzzle of the formation of the Moon and water on Earth. The prevailing theory was that the Moon was the result of a collision between the early ...