Pluto: A beautiful, complex puzzle for scientists

Pluto has its own wild blue yonder

New Horizons gets eyeful of Pluto's icy mountains

New Pluto photos reveal a myriad of mysteries

New Horizons phoned home after Pluto flyby

5 things the Pluto flyby could reveal about Earth

What to expect from the Pluto flyby today

A brief history of tiny and elusive Pluto

New Horizons probe spies Pluto's 'heart'

'Mission Pluto' chronicles trip to the dwarf planet

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

Pluto's moons are even weirder than imagined