If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...

But astronomers may have found new evidence that points to a celestial body that could be a possible candidate as "Planet Nine," according to a new paper, which has been accepted for publication ...

The long-theorized Planet 9, which astronomers have speculated could be a Neptune-sized planet that has been lurking on the outer edge of the solar system, could explain the unusual clustering and ...

But astronomers may have found new evidence that points to a celestial body that could be a possible candidate as "Planet Nine," according to a new paper, which has been accepted for publication in ...

Neptune and then the possible Planet Nine. It's a dynamic system shaped by gravity and time, and while we've learned a lot, it still holds plenty of mysteries. In this guide, we'll explore how the ...

In the annals of mythological ambition, one episode stands out with unparalleled audacity: Ravana's attempt to force the nine planets (Navagrahas) to align in the 11th house of his son Meghnath's ...

Originally reported to be orbited by seven planets in 2010, re-analysed data from the HARPS (High Accuracy Radial Velocity Planet Searcher) now indicates that the star has nine planets. This discovery ...