SpaceMoon mystery could be solved by simulation of planetary smash-up The moon is thought to have been created in a violent collision, and a new simulation of the event could answer questions that have puzzled astrophysicists News
SpaceThe moon may never actually have had a strong magnetic field We used to think that the moon had a strong magnetic field like Earth's, but a new analysis of rocks collected by the Apollo missions suggests that previous signs of magnetism came from asteroid impacts instead News