A Giant Space Crater is Hiding the Secrets of Mars’ Doomed Moon!

Scientists have found a massive, heavy lump buried inside a giant crater on Mars' tiny moon, Phobos. This hidden treasure could finally prove if the moon is a captured space rock or a chunk of Mars itself that blasted off during a colossal crash. What do you think we will find when a robotic spacecraft flies there to scoop up a piece of this mystery?