Icy leftovers, dwarf planets, and the birthplaces of long-period comets. It marks the outer limits of our solar system, ... NASA supercomputer finds Milky Way-like spiral at solar system’s edge.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...

Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago.

Our Milky Way galaxy may be surrounded by 100 undetected 'orphan' galaxies Astronomers discover the largest comet from the outskirts of the solar system is exploding with jets of gas ...

Movement Of The Solar System Through The Milky Way’s Galactic Spiral Arms Helped Form Earth’s First Continents by SpaceRef August 28, 2022 July 15, 2024 Click to share on X (Opens in new window) X ...

Astronomers have discovered a rare solar system with six planets moving in sync with one another. Estimated to be billions of years old, the formation 100 light-years away may help unravel some ...

NASA supercomputer finds Milky Way-like spiral at solar system’s edge. Mrigakshi Dixit. ... Therefore, space experts mostly depend on long-period comets, and icy ejecta to understand the Oort cloud.