Throughout our solar system there are multiple planets that are compatible for life. One of which is Mars. It has been recently discovered that this small planet has canals of water flowing beneath its outer crust. However, Mars lacks a magnetic field. Although Mars lacks a magnetic field, it has an oxygen atmosphere consisting of 95% carbon dioxide, 3% nitrogen, and 2% argon. With these traits, Mars holds life, and it has been discovered that there is a great amount of methane.
Its entirely possible that life can be found on other planets, one of which is a moon of Jupiter known as Europa. Europa is located close to the other five planets of Galilei. It is believed that life can very well be located on Europa, this is very possible due to its oxygen atmosphere.