(REUTERS) — United States scientists have found evidence to support the existence of the unseen Planet 10, which is much closer than the previously reported Planet Nine, a planet that has not yet been fully proven to exist. The Kuiper Belt is a disc-shaped region that contains icy bodies, space rocks and dwarf planets such as Pluto. It is understood that Kuiper Belt objects orbit the sun with an orbital tilt, while those at least […]