Ceres, the only dwarf planet in our inner solar system, is covered in ice and salt deposits. Its daytime temperatures range ...

Our Solar System is home to many unique planetary bodies, including protoplanets and dwarf planets. Here are the unique ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an ...

"Makemake is one of the largest and brightest icy worlds beyond Neptune, and its surface is dominated by frozen methane," ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...

A new trans-Neptunian object, 2017 OF201, has been found with a vast orbit and potential dwarf planet size. The finding hints ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

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

Astronomers say they have evidence that there may be a hidden planet in our Solar System. Named 'Planet Y', the Earth-sized ...

Dwarf planets Haumea and Makemake are the latest additions to the Maine Solar System Model, billed as the largest solar system model in the western hemisphere.