Frozen water and carbon dioxide over Martian poles
January 18, 2005
Water may once have flowed freely on Mars and, like the Earth, the planet receives sunlight and has its own internal energy source. So the odds on primitive life thriving for at least some time during the planet's history are reasonably good.
Topics: Environment, Mars, Astronomy, Planetary science, internal energy source, Terraforming of Mars, Martian, Climate of Mars, Extraterrestrial life, Space exploration