The findings could not only solve the mystery of the Moon's formation, but also the mystery of two large subsurface 'blobs'.
Scientists have determined that the Earth and moon are made up of material from two separate worlds.
New evidence seems to confirm that the Earth was once impacted by a planet known as Theia.
Two spacecraft launched by NASA in 2006 will soon be in position to look for evidence of the remains of a planet named T...