Mars.. and possibly titan, the sixth moon orbiting Saturn. it is about 50% larger than earth's moon. and is even hypothesized to be able to support a tropical environment. although, the gravity is much less than earth's. if titan's atmosphere did not allow so much heat to escape (anti-greenhouse effect) the temperature might contribute in allowing life to develop. since gravitational compression generates heat from the planets core and radiates it to the surface, it might be possible to support life just below the planets surface or maybe on it. it is reasonable to assume the second known planet to contain a nitrogen-rich, fully developed atmosphere, that can somewhat compare to earth, could develop its own forms of life, but would rely on liquid methane rather than h2o. but that's just a guess. mars is a good one too. except it looks like someone already came by and took all the good stuff and left a bunch of red dirt(iron oxide) behind.
Another Answer:
In our Solar system - No planets are likely to support life - apart from Earth of course.
There is a possibility that "life" may exist of the moons - Europa and Enceladus (because they are known to have liquid water) and "maybe" Titan but it would not be a "water" organism.
No one actually found any human life on any other planets yet, but there is known to be some plant life out on mars.
So far there has not been a trace of life on any other planet in our solar system. Earth is the only planet with life. Life is unsustainable on other planets because they are either too hot , too cold, no water, poisonous gasses, and a variety of other problems.
Yes, it is possible that there are other Earth-like planets in the universe. Scientists have discovered thousands of exoplanets, some of which are in the habitable zone of their star where conditions might support life as we know it. Future missions and advancements in technology may help us identify more Earth-like planets.
It is not known whether there are living beings on any other planet. It may seem likely that there there is life on some planet other than Earth, given the huge amount of planets, but this has not been confirmed.
As of current scientific knowledge, the Earth is the only planet known to support life. While there are regions in our solar system, like Mars and some of Jupiter's moons, being investigated for potential habitability, there is no definitive evidence of life beyond Earth at this time.
So far, earth is the only planet known to support life, but many scientists thing that life probably exists on other planets.
It is possible, even likely, that there are other planets that could support life. We have yet to find any.
Scientists say that life can be expected to have evolved on other planets, wherever the environment is not so hostile that life can not be supported. They say that in this vast universe there must be many such planets that can support life and that some are likely to support intelligent life forms even more advanced than humans. Whether we believe that our God created the life on other planets is a matter of human faith. No doubt any intelligent life on other planets will never have heard of Earth's gods.
Life probably does not exist on any of the known planets (except earth). But if life does exist on one of those planets, it would probably be on Mars. Venus is way too hot, Mercury does not have an atmosphere, and the other four planets are made up almost entirely of gas.
We don't know about any other other place, besides Earth, that harbors life. But many scientists think that there is life on other planets.
No one actually found any human life on any other planets yet, but there is known to be some plant life out on mars.
No. There are life forms on Earth that can survive in extreme conditions where humans can't. The environment on Earth when life first emerged would have been toxic to us. If other planets have these conditions then they may support life. The main ingredient scientists believe to be necessary for life is liquid water. Earth is the only planet known to support liquid water on its surface, but we know very little about the planets that exist outside of our solar system. While it is unlikely that life exists on any of the other planets in our solar system, we have no way of knowing with current technology if planets in other solar systems support life.
No
Yes, only on the Earth. We don't know if the other planets have life
At this time we have no evidence of any extraterrestrial life.
No, there is no oxygen on any other planet other than Earth because there is no planet life on the other planets.
Other than the Earth, no life has been found on any of the other planets. We are still searching.