Our First Grainy Glimpse Of Pluto And Charon As New Horizons Closes In

NASA's New Horizons has returned its first images of Pluto and its largest moon, Charon, since the mission entered into the countdown phase of its historic mission. Taken at a distance of 126 million miles (200 million km), it will pale in comparison to the images expected over the coming months. » 2/05/15 6:30am 2/05/15 6:30am

Satellite Smackdown — Which Moon is the Solar System's Awesomest?

A little while back, io9er Ed said Titan was "The Awesomest Moon in the Solar System." Well where I come from, them's fightin' words. What about Earth's Moon? Mars' Phobos? Europa?? There are boatloads of kickass moons in the solar system. We break down ten contenders in a highly scientific chart to settle this… » 5/02/08 1:50pm 5/02/08 1:50pm