Astronomers have recently detected a rogue planet entering our solar system, marking a rare event that has sparked ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Recent research suggests a warp in the orbital plane of Trans-Neptunian Objects (TNOs) between 80 and 400 AU, hinting at the ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

Planet Nine was previously suggested as a possible explanation for distant orbital clustering. It was thought to be ten times Earth’s mass, orbiting far beyond Neptune.

Stargazers are excited as a rare planet parade is expected to happen this weekend bringing some of the main characters of our ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...