China’s Chang’e 6 mission uncovers evidence of a molten lunar magma ocean and a violent ancient impact.

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

The Moon was once covered in a vast magma ocean, scientists have confirmed from samples collected by a Chinese spacecraft. A lunar lander, called Chang'e 6, landed on the little-explored far side ...