Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

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

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

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 ...

If you were to perfectly follow the steps in An Idiot's Guide to Making a Solar System, you should eventually find yourself ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

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 (TNOs) and centaurs. The findings reveal the ...

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

The ultimate source of light and energy, the Sun is by far the brightest object in our solar system. Its luminosity illuminates all other celestial bodies. Earth's natural satellite, the Moon reflects ...