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

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 ...

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

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

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

There's a new object in the distant reaches of our solar system, and it might just offer clues to a long-standing cosmic mystery. Astronomers have cataloged a frozen minor planet called 2017 OF201, ...

What is Planet Nine, and where is it? The question has fascinated astronomers for years. Scientists believe a massive ...

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 ...