Pluto may have been demoted to non-planet status, but it still commands a court of five moons, as is fitting for the king of ...

There, nitrogen and methane have turned into ice, covering the entire planet. Yet in this icy landscape, scientists speculate that there may be a liquid ocean beneath the ice, and this ocean might ...

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

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, said Renu Malhotra, a planetary scientist at the University of Arizona who has ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Pluto is the power planet of destruction, debts, power, control, sexuality, and transformation. So what happens when it moves ...

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her colleagues opted for the name Persephone, after Pluto's wife and "queen of the ...