Yes, if you can manage to get all the resources you need to survive (food, water, heat, etc.), you can live wherever you want.
If they do we have not found them.
Yes
I don't think there are any planets to be liveable except Earth
No, except mars
No. But maybe there's a planet that we havent discovered yet
No life has been detected except on the planet earth.
Yes Mars has oxygen.
Because our Earth receives just the right amount of heat for the developement of vegetation,human life and animal life.Mars is too cold for any kind of life.That's why no life can thrive on any planet except the Earth.
YEs 20.5 lightyears away glise 581 c
not that we know of. but the 8 planets we have, all of them dont except earth has life.
Six planets are visible from Earth without any optical equipment except your eyes.
As long as you stay here on Earth, no other planet poses any danger to you.But if you were to go to any other planet, you couldn't survive there.