Yes, I think life on other planets is all too possible. It would be foolish to think Earth is so unique that out of all billions and billions of planets out there, not a single one would support some kind of life.

However, it is equally likely we will never ever see them, or if we see them, there is no way to communicate. Either because their evolution is too different, or in a completely other phase. Most likely, if we find life somewhere, it will be in the form of bacteria/microbes or similar.

Either way, we are quite sure time-travel and lightspeed travel speeds are impossible, otherwise those highly advanced aliens out there would have been here by now..

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