Be honest, which do you really think is the more likely: that life exists in more than one planet in the countless billions of planets, or that it doesn't? There's already serious scientific talk of water not originating on earth but coming to us via a collision from a meteor/comet. If that's...
We're literally seeing into the past. That galaxy might not even exist anymore, it might have ceased to exist 2.4 million years ago and the light's only just reaching us from before that happened. Cosmic!