The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

Pluto satisfies the first two of these criteria, but not the third. Even one of its own moons, Charon, is about half of Pluto's size ... When compared with past images, pictures of Pluto taken ...

According to NASA, the spacecraft the size of a baby ... the best picture yet of Pluto, taken on the eve of the flyby. Even better images will start "raining" down on Earth beginning Wednesday ...

A ground-based telescope has snapped the sharpest image ... Earth-size planets," study leader Steve Howell of the NASA Ames Research Center in California said in a statement. Additionally, Pluto ...

Captured through the lens of a Multispectral Visible Imaging Camera (MVIC), Pluto ... satellite images. This "far away from home" view is from NASA’s Kepler Space Telescope. Earth’s reflection ...

A researcher has used advanced models that indicate that the formation of Pluto and ... that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size of the ...