Plus, an in-depth look at how the West Texas city of Seminole reacted when a measles outbreak tore through the region.

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

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

The TNO is potentially large enough to qualify as a dwarf planet, the same category as ... empty section of space thought to exist beyond Neptune in the Kuiper Belt is not, in fact, empty at ...

an unusual clustering of icy bodies -- including comets and dwarf planets -- which stretches from Neptune and outward toward interstellar space. Six known objects in the Kuiper Belt have ...

a disk of comets and other small objects beyond the orbit of Neptune. In 2015, NASA's New Horizons probe passed Pluto and spotted signs of recent geological activity in the dwarf planet's thinning ...

There are five confirmed dwarf planets in the solar system: Ceres, Haumea, Eris, Makemake and the ex-planet Pluto.All of these planetary pretenders, apart from Ceres, are located in or around the ...

Pluto is one of the largest objects in the Kuiper Belt, a region beyond Neptune primarily filled with small, icy objects. Despite its reclassification from planet to dwarf planet in 2006 ...

Dwarf planet Pluto sticks out because it’s off ... that have to be explained by some sort of additional object beyond Neptune. “However, all of this has been understood for quite some time ...

Quaoar is part of a collection of about 3,000 dwarf planets known as trans-Neptunian objects, which are beyond the orbit of the planet Neptune. Scientists are now wondering why the dense material ...

A dwarf planet called 50000 Quaoar that orbits beyond Neptune appears to have a ring that shouldn't be there, at 7.4 times more distant than the planet's radius. There are a couple of ideas about ...

Jupiter, Neptune and Uranus also have some ... So what exactly sets Quaoar's ring apart? Related: Dwarf planets: science & facts about the solar system’s smaller worlds Quaoar's ring is at ...