Planetary scientist Kelsi Singer was an undergraduate in 2006 when a spunky spacecraft launched with an ambitious goal: to fly by Pluto. It would take nearly a decade for the New Horizons probe to ...

At this time next year, NASA's probe New Horizons will fly by the planet-like object Pluto and discover more about the icy ball. The last time scientists reached for a major solar system body was ...

Nearly four years after Pluto lost its official planet status, the confusion on how to treat the distant, downgraded neighbor remains in orbit. In classrooms that haven't ordered new textbooks since ...

This story is part of Short Wave's series Space Camp about all the weird, wonderful things happening in the universe. Check out the rest of the series. If you were born in the last century you might ...

Hundreds of people who love the little planet that was dissed, gather every year in the Arizona town where Pluto was discovered. They celebrate scientific discovery, history and our solar system’s ...