A new theory about Pluto’s largest moon, Charon, could alter how planetary systems are taught in U.S. schools. Scientists ...

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

19, 2024 — Scientists have unveiled groundbreaking research on the origins of lunar water, offering insights that could reshape our understanding of the Earth-Moon system ... 4.35 billion years ...

J anuary 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf ...

In the distant space out beyond the orbit of Jupiter lurks a strange object. Its name is Chiron, a type of outer Solar System ...

It saw the discovery of dwarf planet Eris and how those very observations led to a new way to describe the Solar System ... over 559 years. At its closest approach, Eris is 5.7 billion kilometers ...

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The planetary pockmarks are known as some of the coldest places in the Solar System. The shivery situation is to be further ...

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.