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 ...

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's atmosphere, while at the same time giving methane and other organic ...

For decades, Pluto remained one of the most mysterious objects in our solar system, until July 14, 2015, when NASA's New Horizons spacecraft became the first mission to visit it up close, capturing ...

After a voyage of nearly nine years and 3 billion miles (5 billion kilometers) — the farthest any space mission has ever traveled to reach its primary target — NASA’s New Horizons spacecraft came out ...

CAPE CANAVERAL, Fla. (AP) — NASA’s New Horizons spacecraft is on track to sweep past Pluto next week despite hitting a “speed bump” that temporarily halted science collection. A computer overload ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away from Earth. Credit: NASA / JPL-Caltech / Tim Pyle illustration For the ...

CAPE CANAVERAL, Fla. (AP) — We’ve made it to Pluto by NASA’s calculations, the last stop on a planetary tour of the solar system a half-century in the making. The moment of closest approach for the ...

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 ...