The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

Familiar programming will ring in the New Year at the University of Wyoming Harry C. Vaughan Planetarium during January.

They are influenced by two powerful planets- Venus, the ruling planet of Libra and Pluto, the ruling planet of Scorpio. Venus is the planet of love and beauty, while Pluto is dark and mysterious.

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there.

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...

With Charon being half Pluto’s size, experts have struggled to explain how it ended up in the dwarf planet’s domain. Now, a team of researchers has suggested that Pluto may have secured Charon ...

Using computer models, researchers studying Pluto and its moon, Charon, have discovered an unforeseen kind of cosmic ...

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Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If found, this gassy, icy beast some 155 billion miles away from the sun ...

Billions of years ago, in the icy outskirts of the solar system, a dramatic collision forged the unusual pairing of Pluto and ...