Rather than a vast ocean, Pluto’s heart might be hiding a huge, heavy treasure. Computer simulations suggest that an object about 730 kilometers wide, slightly larger than the asteroid Vesta, could ...

Astronomers using the James Webb Space Telescope have peered into a mysterious blue haze cloaking the surface of Pluto — and discovered that it's controlling the dwarf planet's climate and atmosphere.

Named for the maiden snatching, shadow dwelling god of the underworld, small but mighty planet Pluto moves into Aquarius for the first time in two and a half centuries on March 23, 2023. Petit but ...

The debate over Pluto’s planetary status has been ongoing since its reclassification as a “dwarf planet” in 2006 by the International Astronomical Union (IAU). Recent discussions and new scientific ...

Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still stings space fans. Discovered in 1930, Pluto was the ninth planet for ...

Pluto reaches opposition at 3 A.M. EDT, presenting an optimal viewing opportunity due to its apparent brightness and the absence of moonlight. Visual observation requires a telescope with an aperture ...