(CNN) -- The largest space interest group in the world wants Congress to ensure funding for a mission to Pluto that it fears NASA might call off for budgetary reasons. The Pluto-Kuiper Express is ...

Fasten your seat belts — the long-anticipated flyby of the Pluto system by NASA’s New Horizons spacecraft is only a week away. This landmark flyby represents both the first close-up examination of ...

Nasa chief Jared Isaacman seems to have rekindled the long-running debate over Pluto’s status. He supports efforts to reconsider the dwarf planet’s classification ...