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 ...

When NASA's New Horizons spacecraft flew by Pluto in 2015, it returned images with a sweet surprise: a heart-shaped formation dominating the surface of the dwarf planet. Now, researchers believe ...

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 ...

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 ...

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(NEW YORK) — New Horizons continues to yield a bounty of discoveries, with NASA on Friday showing stunning new photos, including haze and flowing ice on Pluto. Taken seven hours after New Horizons ...

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.