If planets had social media accounts, the solar system would showcase a frenzy of unique personalities. Mercury tweets at ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

However, this year a powerful new telescope is coming online that could prove once and for all that there really is a ninth planet in our Solar System. The same year that Pluto was ignominiously ...

Pluto-Charon Formation Scenario Mimics Earth ... Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects ...

If the solar system had a corporate structure, Jupiter would be the CEO, while Saturn ensures rules are followed. Venus ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

But these theories didn’t account for the fact that Pluto and Charon may have more structural integrity as icy, rocky bodies on the frigid edge of the solar system. “Pluto and Charon are ...

For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the size of the dwarf planet. Now, new research suggests that Pluto and ...