When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

When the solar system formed, rocks (and other dense, heavy materials in the dust cloud such as iron and uranium) tended to gather closer to the Sun, and these materials combined together to form ...

New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

The discovery of two new planets beyond our solar system by a team of astronomers from The University of Warwick and the ...

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

who added that theories of solar system and planet formation would also need revision. The theory is testable. If astronomers can find a cluster of TNOs at about 150 Earth-sun distances then they ...