Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

The Earth and the Moon found out that there is a Ninth planet, and they decided to find it... Welcome to the SpaceBalls ...

The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

Scientists at Rice University believe there’s a 40% chance that a mysterious ninth planet — Planet Nine — could be orbiting far beyond Neptune and Pluto in the icy Kuiper Belt. This potential ...

New research shows there is at least a 40% chance of the existence of Planet Nine, but scientists are still looking for ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 years to complete one orbit around the sun. The object, known as 2017 OF201, ...

However, in April 2025, a new study co-authored by scientists in Taiwan, Japan, and Australia claimed to have found a potential candidate for this formerly hidden ninth planet in two datasets that ...

Planet Nine is a hypothetical planet, first theorised by astronomers from California Institute of Technology (Caltech) back in 2016. Said to have a mass about five to 10 times that of Earth, this ...