The space probe began making discoveries even before today's flyby. — -- Three billion miles and nearly ten years of travel led up to the moment NASA's New Horizons probe zoomed past Pluto today, ...

"This mission should be able to image the whole of Pluto. It should be phenomenal." When NASA's New Horizons spacecraft sped by Pluto in 2015, it revealed an incredible world of ice and haze carved by ...

When NASA's New Horizons spacecraft sped by Pluto in 2015, it revealed an incredible world of ice and haze carved by various geological processes — hinting that an ocean may have played a role in the ...

This is an image of Pluto you've seen before, but not quite this colorfully. A NASA/New Horizons press conference later today will provide information about the latest Pluto discoveries and new images ...