An illustration of what the view might look like from the Kuiper Belt. (Mark Garlick/Science Photo Library/Getty) There may be a lot more than we thought to the belt of icy debris that circles the outer Solar System.Data from the New Horizons probe as it sails serenely through the Kuiper Belt hints at unexpected levels of particles where dust ought to be thinning out, suggesting the donut-shaped field extends significantly farther from the Sun than previous estimates suggest.It's the most recent...