The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

In 2004, scientists found Sedna, a potential dwarf planet beyond the belt, had a strange orbit around the sun that hinted another large mass was gravitationally pulling it. A 2014 study found a ...

January 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf planet ...

The Carnegie Institution for Science and the International Astronomical Union’s Minor Planet Center has ... to be similar to other dwarf planets such as Sedna and 2012 VP113, which also are ...

Breadcrumbs leading to Planet X While Goblin may be the most recent discovery, two other dwarf planets in the Kuiper belt, dubbed Sedna and 2012 VP113, have also indicated the existence of Planet ...