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 ...

10 years ago, on July 14, 2015, at 11:50 UTC, NASA’s New Horizons spacecraft made its closest approach to Pluto, passing within 12,500 km at a speed of 13.78 km/s. During the days before and after the ...

After a near decade-long journey, an unmanned NASA spacecraft will make a close shave past Pluto on Tuesday, offering scientists a detailed glimpse of the dwarf planet’s surface for the first time.

When NASA’s New Horizons spacecraft flew past Pluto in 2015, it transformed our understanding of the distant dwarf planet. What scientists discovered was far more complex than expected: towering ...

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A groundbreaking mission that explored Pluto and distant solar system objects in unprecedented detail has awakened from its longest sleep ever — and it’s 5.9 billion miles (9.5 billion kilometers) ...

FLAGSTAFF, Ariz. (AP) — The observatory where Pluto was discovered is taking full advantage of a flyby of the icy dwarf planet Tuesday with astronomy-themed face painting, an extra Pluto presentation ...

For decades, scientists and the general public have argued over the astronomical status of beloved dwarf planet Pluto. In the latest salvo, NASA Administrator Jared Isaacman said that he was “very ...

CAPE CANAVERAL, Fla. (AP) — In a day of both jubilation and tension, scientists anxiously waited Tuesday for NASA's New Horizons spacecraft to send word across 3 billion miles and confirm it got ...

CAPE CANAVERAL, Fla. (AP) — NASA’s New Horizons spacecraft got humanity’s first up-close look at Pluto on Tuesday, sending word of its triumph across 3 billion miles to scientists waiting breathlessly ...