A lot of people think scientists will find another planet but it takes a lot of time for scientist to search for things in space and sometimes what they are looking at may not even exist anymore save our planet it's the only one
Something to think about: The Earth is billion years old. Let's scale that to 46 years. We have been here for 4 hours. our industrial revolution began 1 minute ago. In that time, we have destroyed more than of the world's forests. This isn't sustainable.