Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

A blue atmosphere, smooth areas, and youthful mountain ranges - this dwarf planet is full of surprises. When NASA's New Horizons probe flew past Pluto in July 2015, the images it returned astonished ...

it is among a handful of known dwarf planets beyond the orbit of Neptune, which with the other so-called giant planets—Saturn, Uranus and Jupiter—all have rings. "Our discovery proves that ...

Enceladus, a moon of Saturn, and Europa and Ganymede, moons of Jupiter, are all thought to have saltwater oceans buried under icy shells. Dwarf planets Pluto and Ceres are also suspected of having ...

The Carnegie Institution for Science and the International Astronomical Union’s Minor Planet Center has announced the discovery of dwarf planet ... aphelion of 936 AU. All three of these worlds ...

Scientists have used data from a long-retired NASA Dawn spacecraft to solve the mystery surrounding the origins of the ...

As the gatekeepers to the Kuiper Belt, Charon and Pluto are a unique double dwarf planet system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Planets orbit the Sun in roughly circular paths, and moons orbit around planets. Asteroids and comets move in paths which are more oval in shape. The Sun’s gravity holds all of these objects ...