This entry in the Space Exploration series (8 titles) focuses on NASA's mission to Pluto via the New Horizons probe. It begins by describing the probe's construction and launch on January 19, 2006. The accessible text picks up speed as it explains the voyage past Jupiter until the spacecraft approached (but did not land on) the dwarf planet in 2015. Individual chapters are dedicated to some of the discoveries about Pluto's surface, atmosphere, and moons, as well as amazing discoveries made as New Horizons journeyed past Pluto and into the Kuiper Belt. Photos of NASA scientists, the spacecraft, and marvelous images of Pluto, plus a time line and charts, provide context for the book's content. Readers can also use a code to access related digital content and extend the learning.