"Instead, everything orbits the solar system center of mass," James O'Donoghue ... and moon will move over the next three years, in 3D. (The distance between Earth and the moon is not to scale.) ...

Beyond Neptune lies the Kuiper Belt, a vast region of icy bodies offering crucial insights into the solar system’s formation.

A massive interstellar object passing through our solar system during its formative years likely altered the orbits of planets into trajectories observed today, a new study says. Interactions with ...