Our solar system may have hosted up to six giant planets in its first hundred million years, a new study suggests. The ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

We usually think of our Solar System as a calm, well-organized family of planets, but a new study suggests its early days may ...

This video challenges the common, simplified view of the solar system animation by illustrating the dynamic and complex ...

The hunt for Planet Nine continues as new discoveries make the Solar System’s biggest mystery even harder to solve. Is there ...

The universe is always moving. While we've found evidence of rogue black holes and planets, new research suggests that a passing star could be out there somewhere. Unfortunately, If it were to swing ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth's orbit came from. When you purchase through links on our site, we may ...

Looking at the Solar System, Jupiter and Uranus both have plenty of irregular moons. In supercomputer simulations, the ...

As it turns out, the conditions that set Venus and Jupiter up for their conjunctions in the sky are the same that are ...