Before NASA's New Horizons probe flew past Pluto in July 2015, some scientists speculated that it would probably see an icy, cratered ball on the outskirts of the solar system. How wrong they were.

University of Maryland astronomers Silvia Protopapa and Douglas Hamilton are among the authors of the first published paper from the New Horizons flyby, which appears in the Oct. 16, 2015, issue of ...

It was about one year ago that NASA’s New Horizons spacecraft made its historic flyby of the dwarf planet Pluto in the outskirts of our solar system, but scientists have been observing scientific data ...

A Full View of Pluto's Stunning Crescent - In September, the New Horizons team released a stunning but incomplete image of Pluto's crescent. Thanks to new processing work by the science team, New ...

When the NASA’s New Horizons spacecraft buzzed by Pluto last year, it revealed tantalizing clues that the dwarf planet might have — or had at one time — a liquid ocean sloshing around under its icy ...

The New Horizons spacecraft, which flew past Pluto in 2015, is still making new findings. Most recently, researchers used its data to find traces of ammonia on Pluto’s surface. Intriguingly, the ...

Stunning new images of Pluto show towering mountain ranges made of ice, hinting that the dwarf planet may harbor geysers or ice volcanoes. The pictures were snapped by NASA's New Horizons spacecraft, ...

Scientists for NASA’s New Horizons mission on Wednesday shared some tantalizing early discoveries about Pluto – and the first piece of what will soon be a stunning photographic mosaic of the dwarf ...

Pluto‘s heart might be hiding an ocean. Two studies published Wednesday by the journal Nature show that the dwarf planet’s surface might have been scarred when a smaller body slammed into it long ago.

What scientists believe could be causing scales on Pluto. In this extended color image of Pluto taken by NASA’s New Horizons spacecraft, rounded and bizarrely textured mountains rise up along Pluto ...

Before NASA's New Horizons probe flew past Pluto in July 2015, some scientists speculated that it would probably see an icy, cratered ball on the outskirts of the solar system. How wrong they were.