OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

Researchers believe that 2017 OF201’s highly eccentric orbit points to a chaotic origin, possibly caused by a gravitational ...

The first observations of Pluto by NASA's James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

we’ve learned that Pluto is even more like the other planets than we thought back when it was formally considered a planet! The flyby of NASA’s New Horizons mission in 2015 showed us that ...

NASA's New Horizons probe flew by Pluto nearly eight years ago ... puzzle of how planetesimals — building blocks of the planets — like Arrokoth and other Kuiper Belt objects come together ...

[Welcome Back, Pluto? Planethood Debate Reignites] You may like Scientists found a possible new dwarf planet — it could spell bad news for Planet 9 fans Evidence of controversial Planet 9 ...

When we see one like Pluto, with its many familiar features ... By and large, astronomers ignore the new definition of “planet” every time they discuss all of the exciting discoveries ...

you might produce something like Pluto. Scientists have some sense of this recipe because they got their first close-up look at the underdog dwarf planet when NASA's New Horizons spacecraft flew ...

a planetary scientist on the New Horizons mission, told DW.com. "Science is not decided by votes ... the planetary science community has never stopped calling bodies like Pluto 'planets'." ...

New calculations from an international team of researchers suggest that there could be two unknown planets beyond Pluto. In two new ... flung ZIP code don’t act like they should: the paths ...