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

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

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

The Saturn typically ranks as the 7th brightest object,. It is visible to the naked eye and can be seen as a prominent celestial body in the night sky ...

Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.

A new study suggests that a close encounter with a massive interstellar object, possibly eight times the mass of Jupiter, may ...

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

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

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

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

It seems something extraordinarily large stirred it up. However, the disk of the Solar System is relatively warped, and the orbits of its planets are slightly tilted and elliptical. It is quite ...

19, 2024 — Scientists are changing our understanding ... picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs.