On the other hand, if you’re nostalgic (and a tad antiestablishment), there are still nine now, but then, to be fair, you’d have to include the so-called dwarf planets, in which case there may ...

Pluto is a dwarf planet. As the name suggests ... and comets were formed early in the history of the solar system about 4.5 billion years ago. Both asteroids and comets orbit the Sun.

The Carnegie Institution for Science and the International Astronomical Union’s Minor Planet Center has announced the discovery of dwarf planet 2015, the world with an extremely distant aphelion ...

The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting asteroids from the outer asteroid belt may have brought it with them.

Using AI to comb through data gathered by NASA's Dawn spacecraft, scientists have conducted a detailed scan of the dwarf planet Ceres to map regions rich in organic molecules to determine whether ...

Sep. 12, 2022 — Strange diamonds from an ancient dwarf planet in our solar system may have formed shortly after the dwarf planet collided with a large asteroid about 4.5 billion years ago ...