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 ...

Visual observation of Pluto using amateur telescopes is challenging due to its faint magnitude (currently 14.4), requiring instruments larger than 8 inches in aperture for a reasonable chance of ...

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 ...

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 ...

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 ...

No longer a planet but not forgotten, Pluto’s colors, captured by NASA almost 10 years ago, continue to dazzle among the collection of colorful celestial objects only seen in the solar system. Since ...

Things have been a mess since Pluto's demotion. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In 2006, the International Astronomical Union ...