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.

Scientists believe our solar system may be hiding a secret world — and it’s not the famous Planet X :eyes: A new study ...

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 ...

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

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

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

The Earth-size planet HD 137010 b has a ‘50% chance of residing in the habitable zone’ of its sun-like star, scientists say ...

Solar wind sounds poetic, but it's a very real and powerful phenomenon, connecting the Sun to every part of our solar system. Unlike the wind we feel .

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

Kepler Space Telescope, a mission which was designed to survey a portion of the Milky Way galaxy, retired in 2018, but its ...

A new discovery suggests the possibility of an exomoon with an unprecedentedly large mass, thousands of times larger than any ...

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