'Dear Pluto' campaign asks kids to say 'Hi' to planet

Pluto's moons are even weirder than imagined

How to find Pluto in the night sky

New Horizons' photos of Pluto show possible ice cap

New Horizons probe snaps fresh view of Pluto

New Horizons probe begins survey ahead of Pluto flyby

New Horizon spacecraft zooms beyond Neptune's orbit

Dwarf planet discovery could help show life's spread through solar system

Pluto moons get new names

'Vulcan' and 'Cerberus' win Pluto moon naming poll

Vote to name two of Pluto's moons

5 things to know about Pluto's new moon