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 ...

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 ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

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) ...

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 ...

full advantage of a flyby of the icy dwarf planet Tuesday with astronomy-themed face painting, an extra Pluto presentation and a live NASA stream that will tell the world whether the mission was ...