The story of how the Moon came to be has always carried a touch of mystery. Picture the young Solar System as a restless place where new worlds grew from swirling gas, dust, and rock. In that chaotic ...

Scientists have proposed a shocking new theory for the origin of the moon, and their calculations suggest Earth once had a secret world hiding right next door. Astronomers believe that the moon was ...

rtist's depiction of a collision between two planetary bodies, similar to the hypothesized collision between Theia and the proto-Earth. Source: https://en.wikipedia ...