NASA’s most recent photos of Pluto, captured by the New Horizons spacecraft, have revealed some of the most intriguing and ...

Here are some of the most amazing discoveries that New Horizons and previous Earth-based observations have produced of Pluto. Being so cold, Pluto boasts different kinds of ices that planets ...

James Webb Space Telescope observations suggest Pluto’s atmosphere is unlike any other in the solar system, confirming a 2017 ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system ...

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be fair—but one of the largest yet discovered and with an orbit around the Sun that ...

Lon Tweeten for TIME None of the new discoveries about Pluto would have been made, of course, had the little world not been spotted in the first place—an achievement that took sublime attention ...

Explore the universe with news on fascinating discoveries ... is about half the size of the dwarf planet. Now, new research suggests that Pluto and Charon briefly came together billions of ...

Scientists have discovered a mysterious new object far beyond Neptune, and it could be one of the most distant dwarf planets ...

"These discoveries expand Charon's known ... This is thanks to data gathered by NASA's New Horizons spacecraft, which visited the Pluto system around a decade ago. "Overall, these factors make ...