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

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

File photo: Artist's impression of the eight current planets of the solar system. In 2006, Pluto lost its erstwhile status as the solar system's ninth planet and was reclassified as a dwarf one.

Hints of this object, dubbed by the researchers as Planet Nine, were found in two photos taken by two infrared space telescopes in 1983 and 2006, the paper stated.

A stunning photo taken in Somerset has showed every single planet in the solar system at the same time during a rare alignment that won't happen again until 2040.

Two decades ago, astronomers proposed this was due to the gravitational pull of a world up to 10 times larger than Earth, naming it planet nine. In 1930, astronomers were searching for planet nine ...