The Cassini-Huygens satellite showed between 2005 to 2006 that Saturn's atmosphere had oxygen ions and one of its moons had water geysers; however, several factors impede human life on the planet. One reason people canno... More »

Neptune, the eighth planet from the sun, cannot support life according to NASA. Being so far from the sun makes Neptune a very cold planet, with temperatures reaching as low as -361. More »

According to NASA, 7 billion years ago, Mars may have been an excellent place for microbes to live, but currently it cannot support life because the air is too thin and is comprised mainly of carbon dioxide. After drilli... More »

With an average temperature of minus 288 degrees Fahrenheit and frequent, powerful storms throughout the planet, Saturn is not hospitable to life. Unlike most planets in the Milky Way, Saturn derives its heat from its co... More »

Saturn is a mostly cold planet, with areas that reach temperatures as low as minus 270 F. There are some regions of the planet that feature temperatures of 80 F, but these remain unfriendly, having an extremely high atmo... More »

Neptune, the eighth planet from the sun, cannot support life according to NASA. Being so far from the sun makes Neptune a very cold planet, with temperatures reaching as low as -361. More »

A day on Saturn is 10.7 Earth hours long, which is the amount of time it takes for the planet to make a complete rotation on it axis. Saturn makes a full orbit around the sun in a period of time equal to 29 Earth years. ... More »