The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Pluto has long been one of the most debated celestial bodies in our solar system. Once classified as the ninth planet, it was ...

NASA's New Horizons spacecraft captured this high-resolution enhanced color view of Pluto that is inserted beneath the Short Wave logo. The image combines blue, red and infrared images taken by the ...

1. What is a planet? -- 2. Seven perfect planets made of aether -- 3. The Earth becomes a planet -- 4. Sixteen planets -- 5. Not everything that orbits the Sun is a planet -- 6. Uranus! -- 7. The ...

"Orbiting at the edge of the outer Solar System, Pluto is an intriguing object in astronomy. Since the fascinating events surrounding its discovery, it has helped increase our understanding of the ...

The Kuiper Belt is loosely defined as a doughnut-shaped swath of space beginning just beyond the orbit of Neptune and ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

Later, it was reclassified as a dwarf planet, yet its mysterious charm has not diminished at all. Why is that? Because Pluto's complex and elusive terrain is like a mysterious key that may hold the ...

At the vast edge of the solar system, Pluto has long been perceived as a cold and lonely dwarf planet. However, a recent ...