For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical ...

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

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 ...

7, 2025 — A researcher has used advanced models that indicate that the formation of Pluto and Charon may ... a clearer picture of how the outer solar system formed and evolved based on analyses ...

The theory could explain how the dwarf planet (yeah, we wish Pluto was still a planet, too) could snare a moon that is around half its size. The team behind this research thinks that two frigid worlds ...

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

7, 2025 — A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system ... other moons in the solar ...

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 ...

Pluto and Charon are smaller and colder ... t rely on the high levels of radioactivity present in the very early solar system, which has been a challenging constraint for previous models.