Pluto has not completed a single orbit since its 1930 discovery. With a 248-year journey around the Sun, the dwarf planet will finish its first full circuit in 2178.

The Panel on Ocean Worlds and Dwarf Planets is one of six panels providing topical input to the Planetary Science and Astrobiology Decadal Survey Steering Group. This panel will discuss the role ...

Why does Pluto's orbit take so long? Pluto's orbit is not like those of the eight major planets, which are relatively circular. Instead, it is highly elliptical and tilted. At tim ...

It would be understandable if you stopped thinking as much about Pluto after it was “demoted” from being considered one of the nine planets sharing the Earth’s solar system to being classified as a ...

Pluto may no longer be classified as a planet, but in Flagstaff, its legacy still shines. Scientists, artists and community ...

NASA has finally peered into the heart of a white dwarf system in a way astronomers have been chasing for decades, turning a once-theoretical picture of stellar cannibalism into a mapped, measurable ...

Astronomers found that a 3-billion-year-old white dwarf, LSPM J0207+3331, is still feasting on the metal-rich remains of a shattered world. (CREDIT: NASA’s Goddard Space Flight Center/Scott Wiessinger ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy material, the ingredients of planets," according to NASA's Goddard Space ...