I can provide information on the topic.
The existence of extraterrestrial civilizations is a topic of great interest and speculation, but currently, there is no conclusive evidence to confirm or deny their existence. The question of whether there are other civilizations on other planets, often referred to as the Fermi Paradox, remains unanswered.
Given the vastness of the universe, which contains billions of galaxies, each with billions of stars, it seems statistically probable that other planets could harbor life. The discovery of exoplanets (planets orbiting stars outside our solar system) has further fueled this possibility, as many exoplanets fall within the "habitable zone" where conditions may be suitable for life as we know it.
However, despite ongoing efforts to search for extraterrestrial intelligence, such as the Search for Extraterrestrial Intelligence (SETI) project, no definitive evidence of extraterrestrial civilizations has been found to date. The lack of evidence could be due to various reasons, including the vast distances between stars, the challenges in detecting signals or signs of intelligent life, or the possibility that intelligent civilizations may be extremely rare or short-lived.
Scientists continue to explore this question through space missions, telescopic observations, and the study of extremophiles (life forms that thrive in extreme environments on Earth) to understand the potential for life beyond our planet. Future discoveries and advancements in technology may provide us with a better understanding of the existence and nature of other civilizations in the universe.