Although it has been close to a decade since NASA's New Horizons spacecraft visited Pluto, the dwarf planet continues to reveal itself as a surprisingly complex world. Instead of molten rock that ...

New research suggests Pluto once had an ocean on its surface. Evidence for the theory comes from NASA's New Horizons spacecraft which spotted unique cracks on the dwarf planet's surface. Pluto may ...

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 ...

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.

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 ...

Johns Hopkins University scientist Kirby Runyon wants to make one thing clear: Regardless of what one prestigious scientific organization says to the contrary, Pluto is a planet. So is Europa, ...

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 ...

The Hubble Space Telescope has spotted new evidence of complex organic molecules — the carbon-containing building blocks of life as we know it — on the frigid surface of Pluto, a new study finds.