The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

Scientists say studying objects like Ammonite, despite their immense distance, offers valuable insight into the solar ...

Planet Y is the latest in a series of hypothetical solar system planets that scientists have proposed in recent years, all with slightly different characteristics but collectively believed to be ...

The curious minds at What If explore a brand new planet forming inside our solar system, imagining its effects on orbits, gravity, and cosmic dynamics.

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik Jupiter, the ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...