A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...

For almost a decade, astronomers have been searching for a ninth planet in the solar system. Recently, new evidence of another possible planet, dubbed Planet Y, was uncovered, and it could be around ...

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...

Twelve new Jovian moons were discovered, increasing the total known count to 79. These discoveries were a serendipitous outcome of a separate Planet Nine search. The research utilized the Blanco ...