Hahaha there are more than just government funded scientists or astronomers watching the sky. We’d know.

It might, centuries from now. Not something you need to worry about. Honestly, anything can happen at any moment because of crazy space stuff, we can’t control that. It’s comforting in a way, knowing that we want to survive. It means life is worth it and we shouldn’t take it for granted. Deep breaths! Reset that mind. :)