Surprises from the edge of the solar system - Biotech. The belt of rocky and icy bodies surrounding the outer Solar System, the so-called Kuiper belt, could be more extensive than previously thought.

This is suggested by the first direct measurements of interplanetary dust beyond Neptune and Pluto, conducted by NASA's New Horizons probe. The study is based on data collected over three years, in which New Horizons traveled from a distance of 45 astronomical units (AU) to within 55 AU of the Sun.