We do not know.Scientists think that mars had water, which can mean there was life,mabe.
No known planets have aliens.
aliens live in space
no
i believe in aliens because their is billions of planets in the universe that their could be aliens on a planet
yes there is such things as aliens
We have not yet made contact with any aliens.
aliens did that
Another country or planet
Aliens
the aliens will come to save us when the world ends
No there is no life forms on planet Boot
He might be able to go back there but scientist have not found a planet that has aliens