High possibility.

Mid to high possibility, but either they have left us alone due to not being interested, or they haven’t discovered us. Even if there is no intelligent life, there has to be a fungus or some shit.

True

Maybe they flew by our solar system, saw how shitty we are as a race in general, and was like “Yeah, let’s not bother”.

If aliens are real, I will send them this:

Nickel+cerium arsenic+sulfur