The chances of finding a different form of life that evolved in a manner similar to humanity on Earth are difficult to quantify precisely. Our understanding of life is based solely on the life forms we have observed on our own planet, which represents just a tiny fraction of the potential diversity that could exist in the universe.
The emergence of intelligent life similar to humans is influenced by a myriad of factors, including the specific conditions of a planet, its environment, the availability of resources, and the process of evolution. These factors can vary greatly from one planet to another.
While Earth-like conditions, often referred to as "Earth analogs," are considered favorable for the development of life as we know it, it does not guarantee that similar forms of life would emerge elsewhere. The conditions required for the evolution of complex organisms and intelligence are complex and influenced by numerous variables.
Additionally, the path of evolution is contingent on a series of chance events, making it challenging to predict the exact course life would take on other planets. The evolutionary process involves a combination of random mutations, environmental pressures, and natural selection, which can lead to diverse outcomes.
Therefore, while the universe is vast and potentially filled with diverse life forms, finding a planet with life that has followed a trajectory similar to humanity's evolution is uncertain. It's crucial to remain open to the possibility of encountering life that is drastically different from what we know on Earth.