The celestial body’s status as the solar system's ninth planet was withdrawn in 2006. Now some experts say we might want to reconsider

Pluto’s atmosphere, though tenuous compared to those of the terrestrial planets, exhibits a fascinating complexity driven by extreme temperatures and dynamic surface interactions. Predominantly composed of nitrogen, methane and carbon monoxide, the ...

NASA explains Pluto's newly discovered "blue sky" and whether or not potential astronauts could ever witness an Earth-like sunrise. The New Horizons space probe sent back its first color images of Pluto's atmosphere in October of last year, revealing a ...

NASA chief Jared Isaacman has doubled down on his stance that Pluto is without a doubt a planet. For two decades, controversy has surrounded the distant icy world after it was infamously stripped of its planethood and reclassified as a dwarf planet instead.