New Horizons spent only hours gathering its best observations of Pluto, yet those close-ups may define the dwarf planet for ...

・Dark streaks along Pluto’s giant nitrogen glacier may mark places where liquid nitrogen recently reached and flowed across the surface. ・Computer models suggest nitrogen could melt beneath the ...

NASA’s New Horizons spacecraft is sound and ready to proceed with its planned flyby of Pluto on July 14. The craft has taken some images of the dwarf planet’s surface that have astronomers talking.

WASHINGTON - NASA’s New Horizons spacecraft has provided new data on the Jupiter system, stunning scientists with never-before-seen perspectives of the giant planet’s atmosphere, rings, moons and ...

Scientists have detected evidence of landslides on Pluto for the first time. A paper published in the journal Icarus reports that images taken by the New Horizons spacecraft during a flyby revealed ...

Odd surface patterns on Pluto hinted to astronomers that, sometime in the past—quite possibly not that long ago—liquid existed on its surface. A team of planetary scientists believe they’ve found it.

Dark lines cut across the pale northern edge of Pluto’s largest glacier, tracing boundaries between vast cells of nitrogen ice. Their shape now points to a surprising possibility: liquid nitrogen may ...