The discovery of hidden planets in the solar system is a topic that sparks curiosity and excitement in the world of astronomy. Recent research suggests that there is a possible existence of a 9th planet, known as “Planet X”. Thought to lie far beyond Neptune’s orbit, the planet is invisible to the naked eye and only detected through its gravitational influence on other planets. Several researchers have collected data from trans-Neptunian objects, which show strange orbital patterns that cannot be explained by the gravity of any known planet. This analysis indicates the presence of a large entity that can be described as a new planet. This planet is likely to be similar in size to Uranus or Neptune and is at a very large distance from the Sun, with an orbital period that may be thousands of years. Scientists like astronomer Mike Brown and Caltech’s Konstantin Batygin, who have long searched for Planet X, use computer simulations to understand how the planet might affect other objects in the solar system. By studying changes in the orbits and composition of small objects, they found that a single large object could explain the orbital distribution. The latest search methods involve sophisticated telescopes and sky surveys to try to detect light reflected from Planet Although there have been no direct observations, estimates suggest that the planet is in an elliptical and distant orbit, making this discovery even more challenging. The discovery of new planets could solve many mysteries in astronomy, including how the solar system formed and its evolution. This not only provides insight into the objects around us, but also expands our understanding of the laws of gravity and interplanetary interactions. Tactical approaches in this search also include the development of better observation technology, such as space-based telescopes that can avoid atmospheric distortion. Proponents of the planet search argue for the importance of collaboration between countries and academic institutions to speed up research and data collection. Although controversy exists regarding the existence of this planet, each technological advancement brings new hope. The discovery of a hidden planet in the solar system not only adds to the list of interesting astronomical objects, but also offers deeper questions about our place in the vast universe. In addition, discussion of the possibility of life on these far-flung planets adds a new dimension to our quest to understand extraterrestrial potential. With advances made in the fields of astrobiology and exoplanets, science continues to push the boundaries of our understanding. The importance of this discovery resonates throughout the scientific community and the general public, while reminding us that space holds many more secrets ready to be uncovered. If Planet