There is no river rafting down Charon's Argo Chasma, but scientists are fascinated by the sheer scale of the Pluto moon's massive canyon.
The extreme close-up mosaic includes all of the highest-resolution images the Pluto probe took on its July 2015 flyby.
New Horizons made a close pass of the distant dwarf planet last year, and now the space agency has visualized a future approach in preparation for reaching the surface.
Photos of Pluto's surface from the New Horizons mission show two major clues that suggest the possibility of a liquid sea under all that ice.
Frozen though it may be, new research suggests an ocean may be sloshing away under Pluto's icy plains.
NASA's New Horizons looked back after its Pluto flyby and saw this stunning view of the dwarf planet's radiant crescent backlit by the sun.
Pluto's surface is totally the pits in a new NASA image showing odd formations of dimples, troughs and curved indentations.
NASA scientists marvel at an unusual surface feature seen on Pluto and speculate on its origins.
NASA's New Horizons spacecraft snaps a photo of what may be a scenic frozen lake on Pluto. The image hints at flowing liquids in the dwarf planet's distant past.
Charon looks sharp in a freshly released New Horizons image showing the moon in enhanced color.