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 ...

Pluto’s most recognizable feature is the giant, heart-shaped area in its southern hemisphere. NASA’s New Horizons mission camera only photographed this Valentine shape in 2015. Where it came from and ...

Pluto was identified in 1930, but by 1994, it was still little more than a blurry pixelated smudge on astronomers’ screens. Today, we marvel at its icy plains, towering mountains, and stunningly ...

For the first time, images from NASA’s New Horizons spacecraft are revealing bright and dark regions on the surface of faraway Pluto the primary target of the New Horizons close flyby in mid-July. The ...

When NASA’s New Horizons mission flew past Pluto in 2015, it gave humanity our first glimpse of a colossal depression on the isolated world. It's named Sputnik Planitia. Comparable in size to the ...

A new study proposes that Pluto formed rapidly with a hot interior, subsequently sustaining a subsurface liquid ocean for billions of years, contrary to prior cold-start formation theories. Geological ...

Read full article: ‘Guessing somebody wasn’t looking:’ Aviation expert on close call at MCO This image provided by NASA shows an enhanced color view of Plutos big moon Charon captured by the New ...

New Horizons sends back best photos yet as probe closes in on Pluto. New color images from NASA’s New Horizons spacecraft show two very different faces of the mysterious dwarf planet, one with a ...

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

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 ...

JWST detected carbon dioxide and hydrogen peroxide on Charon's surface. Hydrogen peroxide suggests ongoing chemical reactions on Charon. Charon's carbon dioxide likely came from below its surface.

The mystery of how Pluto got a giant heart-shaped feature on its surface has finally been solved by an international team of astrophysicists. The team is the first to successfully reproduce the ...