Scientists have recently spotted a huge object far away in the cold outer reaches of our solar system. This ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

Astronomers have just discovered a new celestial body in our solar system that could challenge major space theory. 2017 OF201 ...

such as HD 39091 b and HD 106906 b , and it could be argued they are the largest known planets," Grieves concluded. The most massive brown dwarf yet discovered is SDSS J0104+1535, located 750 ...

In 2005, Eris was discovered. It was considered the largest known dwarf planet in the solar system until a year later when Pluto was downgraded from being a planet. In 2008, tribal violence ...

Ceres is the largest known object to exist in the asteroid belt between Mars and Jupiter. In fact, Ceres makes up 25% of the total mass of the asteroid belt. Still, Ceres remains a dwarf planet.

Eris, located in the scattered disc region beyond Neptune, is one of the largest known dwarf planets and is even more massive than Pluto. Photo Credit: NASA Haumea, ... Dwarf planets may be small, ...

With its low density and unusually cool, methane-rich atmosphere, this planet offers a rare window into giant planet ...

WASHINGTON (Reuters) -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 ...