On other planets, the search of life is done for past several years
In our solar system, one earth is the planet which has life
All other planets are not suitable for humans
Outside our solar system, such planets are found, which are like earth
These are very far away from earth and rotates around their sun
Gliese 667 Cc is bigger than earth 4.5 times
Kepler 22b is found in the habitable zone of its sun
Kepler 452 sun is like our sun
Kepler – 62f rotates around a sun , which is colder than our sun
Kepler – 186 f is in its habitable zone
Universe discoveries 
With billions of stars which could mean billions of planets, the odds that a planet much like earth is probable. But we also have to understand that life could also exist on planets that would not be conducive to human life.
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Yes true, we are organic form of life but on earth we see different species, it is possible that there can be electric form , water form and other material based life on other planets
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