Does Mars have any atmosphere?

The atmosphere of Mars is a resource of known composition available at any landing site on Mars. It has been proposed that human exploration of Mars could use carbon dioxide (CO 2) from the Martian atmosphere to make rocket fuel for the return mission. read more

Mars is a planet that shows climate change on a large scale. Although its atmosphere used to be thick enough for water to run on the surface, today that water is either scarce or non-existent. The atmosphere today is also too thin to easily support life as we know it, although life may have existed in the ancient past. read more

Yes, Mars does have an atmosphere. The Martian atmosphere contains about 95.3% carbon dioxide (CO2) and 2.7% nitrogen, with the remainder a mixture of other gases. read more