The hunt for the mythical "planet X" relaunched by the discovery of a distant object

                                                                                Artist's impression of a possible 9th planet, which could exist on the edge of the solar system. – CALTECH             Is a planet ten times more massive than the Earth hiding on the edge of the solar…

Will Kipchoge break the mythical bar of the two hours?

                                                                                Kenya's Eliud Kipchoge crosses the line to win the 44th Berlin marathon in Berlin, Germany, Sunday, Sept. 24, 2017. – MARTIN MEISSNER / AP / SIPA             Kipchoge is a king but a diamond is missing from…