In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

Rabe of the Cincinnati Observatory, indicates that Pluto may be actually only a runaway satellite of the neighboring planet Neptune. Robe, a prominent celestial mathematician, noted that Pluto ...

Famously, Pluto no longer met the criteria and was ... the moon was demoted to a satellite, and the sun got promoted. This worked for over 200 years, until William Herschel discovered Uranus ...

This illustration shows the scale and comparative brightness of Pluto's small satellites. The surface craters are for illustration only and do not represent real imaging data. Disclaimer ...

Opinions expressed by Forbes Contributors are their own. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. A century from now, NASA’s successful flyby of Pluto and its five ...

With a diameter of approximately 1,200 kilometers, Charon is roughly half the size of Pluto, making it the largest known ...

The possibility of life beyond Earth has filled our imaginations and been a driving force behind space exploration for ...

Artistic representation of the huge and slow impact on Pluto that led to the heart-shaped Sputnik ... [+] Planitia structure on its surface. Ever since NASA's New Horizons sent back the first-ever ...

Pluto is designed to look and work like a traditional channel guide for a cable TV or satellite system, and relies entirely on browsing to find the shows you want to watch. It seems likely that as ...

The Moon is a natural satellite that orbits planet Earth. Many planets have moons, and some planets have many moons - Saturn has more than 50. The Earth has just one moon - the Moon. Pluto is a ...