The trans-Neptunian object Altjira, 44 times farther from the Sun than Earth is, could be the second known trinary, ...

New research suggests that billions of years ago, Pluto may have captured its largest moon, Charon, with a very brief icy "kiss." The theory could explain how the dwarf planet (yeah, we wish Pluto ...

This visual may only be used for the purpose of posting and/or reporting of this news release. Credit information must be provided as indicated.

An curved arrow pointing right. NASA's New Horizons spacecraft took us to Pluto for the first time in July 2015. Scientists are astonished by the incredible features they've observed on the dwarf ...

An SwRI-led team detected carbon dioxide and hydrogen peroxide spectral signatures on Pluto’s largest moon Charon using Webb telescope observations (white), which extend the wavelength coverage ...

Unlike Pluto, Charon has no atmosphere, so its surface temperature was what astronomers predicted based on its geological makeup and reflectivity. Pluto is located thirty times farther away from ...

Pluto (smaller sphere) and its moon Charon are the first guideposts of the Kuiper Belt. They may help reveal why planets long ago stopped forming in the outer solar system. Illustration by Ron ...

But on Charon, Pluto's nearest moon, they found this most familiar of geological features. There was more, on Pluto itself, that recalled the American mid-west. Dark streaks on Pluto's plains ...

I have been working with my research advisor, Leslie Young (Southwest Research Institute), on surface spectra of Pluto, Charon, and Triton. Upcoming and ongoing work includes reduction of Keck/OSIRIS ...

This is the story of Pluto, a planet that has been removed from the solar system and is wandering alone in the vastness of space, and its satellite, Charon, which hovers around Pluto.