One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...

Pluto, which sits near the edges of the solar system, far from the Sun, is incredibly frigid. Its thin atmosphere, which consists mostly of nitrogen, has persisted despite the rock-bottom ...

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 ...

Factors that distinguish Pluto from the terrestrial and Jovian planets include its composition (ice, rock, and frozen gases), changing atmosphere, small size, comparatively large moon, and its ...

Over millions of years, that atmosphere escaped into space. Pluto is the only place in the solar system where we can study something similar happening today, Stern says, even though its atmosphere ...

This effectively transports those small grains of methane into Pluto's atmosphere, where they are blown around by winds before eventually settling into the dunes. Mashable Light Speed Want more ...

The entire event lasted just one minute. Prior to the study, it was thought possible that Makemake would have an atmosphere similar to that of Pluto. However, as the small celestial body passed in ...