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 ...

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 Sun makes up 99% of all the mass in the Solar System ... The largest object is the asteroid belt is the dwarf planet Ceres, which is 950km in diameter (that's about the same the length ...

January 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf planet ...

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 ...

An artistic impression of Trappist-1 b shortly before it passes behind the cool, red dwarf ... planet in a star system very similar to our solar system may have an atmosphere after all, suggests ...