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

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

Some research has suggested the potential dwarf planet is also littered with pellets of methane as much as half an inch across. Today, Triton isn’t a dwarf planet and it isn’t in the Kuiper Belt.

Triton, the largest moon of Neptune, is likely a captured plutoid, and it is even possible that the odd tilt of Uranus on its axis is due to a collision with a plutoid. Similarly to dwarf planets ...

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 ...

In this case, Triton would have once been a dwarf planet. However, it had a close encounter with Neptune that ended with the loss of the other body, making the former planet a moon. Sadly ...

Dwarf planets do not fit into either category ... a planet once it no longer orbits its parent star? Neptune's moon Triton has features very similar to those of Pluto and Eris; some astronomers ...

Dwarf planets are defined by having enough mass ... "Farther in the future, it would be great to send spacecraft back to Pluto and Triton, and also to as-yet unexplored Eris, Makemake, and others ...

Neptune’s largest moon, Triton, and the dwarf planet Pluto may have shared a common origin before being separated in the early solar system, an analysis of their composition suggests.

Neptune, the farthest known planet, was last visited by Voyager 2 in the 1980s. The Arcanum mission is designed to orbit Neptune and land on Triton, giving insight into both objects of interest in ...