And that is cool. Kids in school are learning about the eight planets and the (currently) five dwarf planets. In order from the Sun, we first find Ceres – the largest object in the asteroid belt.

For kids like 10-year-old Leila Boser, Pluto is not forgotten, it’s just a little bit different. When asked what Pluto is, she replied correctly that it’s a “dwarf planet”—the new ...

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the existence of a theoretical Planet Nine.

We won’t be able to measure dwarf planets there for a very long time, but the ones we’ve found in our own solar system can teach us about how planets form everywhere. Hello, curious kids!

Astronomers announced the discovery of a new dwarf planet, provisionally named 2017 OF201, located in the remote outskirts of ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural ...

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets ...

In fact, Ceres makes up 25% of the total mass of the asteroid belt. Still, Ceres remains a dwarf planet. Perhaps as it should, given Pluto's relegation to dwarf planet — Pluto is 14 times larger ...

The hunt for planets that could harbor life may have just narrowed dramatically. Scientists had long hoped and theorized that the most common type of star in our universe — called an M dwarf ...

The dwarf planet Makemake, which chills out in the deep freeze of the outer Solar System, might be home to an ice volcano 1. Makemake is one of many icy worlds that orbit the Sun past Neptune.

Samantha Lawler, Assistant professor, Astronomy, University of Regina "Why does it matter if Pluto is a planet or a dwarf planet? Because for me it just makes it more confusing in our solar system.