According to Dr. Grundy, Pluto is a planet. "I use the word 'planet' to refer to it, and most of the planetary science ...

Pluto was identified in 1930, but by 1994, it was still little more than a blurry pixelated smudge on astronomers’ screens. Today, we marvel at its icy plains, towering mountains, and stunningly ...

which we can then tie to Pluto's contemporary geology to test. "I'd really like to determine how the initial Pluto-Charon impact can influence whether and how Pluto and Charon develop oceans." ...

When manipulated, they reveal a wealth of scientific information. This image uses 'false-colour' to show how the geology of Pluto's surface varies. It reveals how much light is reflected by ...

Jupiter’s volcanic moon Io has been erupting for billions of years Jupiter’s volcanic moon Io has been erupting for billions of years Did Pluto ever actually stop being a planet? Experts debate.