The question of whether intelligent extraterrestrial life exists in the universe is one of the greatest scientific mysteries, and it remains unanswered. Scientists have not yet discovered conclusive evidence of intelligent extraterrestrial life, but the vastness of the universe, with its billions of galaxies and planets, suggests that it's possible.
Efforts like the Search for Extraterrestrial Intelligence (SETI) continue to search for signals or signs of intelligent life. While there have been interesting findings, nothing definitive has been confirmed.
As for "where" it might be, the universe is so immense that intelligent life, if it exists, could be anywhere. It's important to remember that our understanding of the cosmos is limited, and there's still much we don't know about the conditions necessary for life to develop and thrive.
In summary, the question of intelligent extraterrestrial life remains an open and fascinating area of scientific exploration, but as of my last knowledge update in September 2021, we don't have concrete evidence or answers regarding its existence or location.