Study reveals an interstellar object's impact on planetary orbits, reshaping solar system dynamics. Discover how simulations ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

A planet-sized visitor possibly visited the solar system billions of years ago and permanently changed the cosmic neighbourhood by warping the orbital path of four outer planets of the system, a ...

Both systems include a moon that is a large fraction of the size ... Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ...

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...