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

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

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

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 ...

Despite common assumptions, the disk of our Solar System is warped, and the planets travel around the Sun in slightly ...

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...

Given that by conservative estimates our galaxy harbors at least 200 billion ... like the original star cluster in which our own solar system formed. But early such clusters are tumultuous places.

While most objects in our solar system orbit the same plane ... And we've even observed fluctuations of starlight in our own galaxy, which primordial black holes could explain.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...

Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

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