Uncrowned is a new destination for all things MMA, boxing, wrestling, and more, featuring Ariel Helwani. Yahoo Racing is powered by Motorsport Network, providing expert reporting, analysis, and ...

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

Eris, a dwarf planet located approximately 95.6 AU from the Sun, was discovered in 2005 after a re-analysis of data initially collected in 2003. Its discovery contributed to the 2006 International ...

Your 1996 column on the mysterious giant Planet X some astronomers thought might lurk beyond Pluto is in need of an update. In particular, you should tell the story of the dwarf planet Eris, whose ...