There could be a ninth planet in our solar system that's lying in wait to be discovered - and no, it's not Pluto. Our solar system has eight planets but in recent years, astronomers have theorised ...

An curved arrow pointing right. Astronomers have new evidence that seems to confirm Planet 9's existence. Produced by Emmanuel Ocbazghi. Original reporting by Jess Orwig. Follow BI Video: On ...

As a result of an accident, the heart of a recently returned from the army Crunch stops. During resuscitation, memories that did not exist before flash into his mind: unfamiliar landscapes of an ...

Pluto was once called the ninth planet, but in 2006, scientists changed its status to a dwarf planet. A planet must clear its orbit of other objects, but Pluto shares its space with many small icy ...

An elusive Earth-like planet in our solar system could finally be discovered within the next few years. Known as Planet Nine or Planet X, it is a hypothetical planet that has long been rumoured to ...

Speculation swirls as scientists debate if Planet Nine is a celestial body or something darker. Clues emerge from unexplained gravitational anomalies far beyond Neptune. A radical hypothesis ...