After Pluto's discovery in 1930, many scientists speculated about the existence of other small, icy bodies in the outer solar system. Compared to its neighbor Neptune and the other gas giants ...

Pluto had held this distinction of planet for 76 years, starting with its discovery in 1930 by American astronomer Clyde W. Tombaugh. The demotion of Pluto to dwarf planet remains controversial ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

A History of Pluto Exploration As New Horizons' journey culminates in the July 14 Pluto flyby, explore how a search for Planet X over a century ago led scientists on a wild ride of dwarf planet ...

Pluto has a variety of surface features including mountains similar to our Rocky Mountains, with peaks that reach 11,000 feet. This 100 Years in History Moment is brought to you by Riverton Chevy ...

Authors William Sheehan and Kevin Schindler discussed their books, [Discovering Pluto: Exploration at the Edge of the Solar System] and [Pluto and Lowell Observatory: A History of Discovery at ...

The spotlight is bright enough to thaw even Pluto.Well, not quite, but the tiny, icy world is getting front-page, prime-time attention for its first visit by a spacecraft — NASA’s New Horizons ...

Discovery has ordered a mini-documentary special on the dwarf planet Pluto that will take a closer look at the controversy surrounding the former planet and why it was demoted to dwarf status in ...

Pluto has captured people's imagination for nearly a century. The frigid world at the solar system's outer reaches that was discovered in 1930 remains mysterious to this day: because Pluto is ...