Back in 2006 that all changed, when Pluto was demoted from being labeled a proper planet to its new classification as a dwarf planet ... added back to the planet list — oh, and that there ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Scientists using a telescope in Hawaii have discovered a never-before-seen dwarf planet lurking within the ring of icy bodies beyond the orbit of Neptune. The small new world -- temporarily named ...

This dwarf planet, positioned between Mars and Jupiter ... These findings add Ceres to a short list of Solar System bodies ...

Hygiea, classified as an asteroid so far, might actually be a dwarf planet. The European Southern Observatory has been able to confirm that Hygiea has a spherical shape. But, Hygiea is missing a ...

the remaining gas planets inhabit deeper space. The solar system is also home to many other cosmic bodies including asteroids, moons and dwarf planets such as Pluto. What's this? Oh noooo ...

To do it, he developed a model that simulated an Earth-like planet orbiting a white dwarf. He modeled the orbiting Earth-like planet as the habitable zone devolved, noting how much energy it ...