Does Ultima Thule have moons? Scientists want to know

NASA's New Horizons spacecraft sped past the peculiar asteroid binary known as Ultima Thule on New Year's Day, and it collected an incredible amount of data. In its first transmission to Earth after passing its target New Horizons told its handlers that it had filled its on-board data storage to the brim. Now, as NASA prepares to have the spacecraft send back every bit of information it gathered during its encounter, scientists are eager to answer one question in particular: Does Ultima Thule ha...