Life has never been observed elsewhere in the universe.
So far, no. (We've hardly looked.)
Another way to look at it, though, is that life has been found on 100% of all the Earth-like planets we've ever discovered.
Furthermore, potentially spooky evidence of life on other planets:
Wow! signal - Wikipedia
I'm just saying, there's hardly any reason to rule out life anywhere else in the universe, when we've hardly been anywhere in the universe to look.