The origin of the differing tilts in the orbits of the planets in our solar system may have been revealed through the ...

Astronomers say they have evidence that there may be a hidden planet in our Solar System. Named 'Planet Y', the Earth-sized ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

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

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 ...

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

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

Scientists theorised about the possibility of Planet Y after spotting a strange ‘warp’ in the Kuiper belt, which is a ring of ...

Learn how rock and dust samples are shedding light on the origins of Asteroid Bennu and the history of the early Solar System ...

A study suggests an Earth-sized planet, dubbed Planet Y, may exist beyond Neptune, affecting the orbits of icy objects in the ...

A team led by University of Arizona astronomer Laird Close has discovered a growing planet outside our solar system, marking ...

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