Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

For years, astronomers have speculated about the existence of a mysterious “Planet Nine” lurking beyond Neptune in the solar ... reiterate that Moneycontrol does not solicit funds from ...