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 ...

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.

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 ...

Last summer, NASA’s New Horizons spacecraft found something surprising on Pluto, the cosmic underdog nearly 4 billion miles from the sun. It turns out that the distant space rock, which was demoted to ...

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.

Dwarf planet Pluto may be hiding an icy ocean beneath its surface, according to two new reports published by the scientific journal Nature. The papers seek to explain why Sputnik Planitia – a 1,000 ...

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.