Morning Overview on MSN

Mars has an atmosphere, but its thin CO2 air can't sustain humans

Stand on the surface of Mars without a spacesuit and you would lose consciousness in roughly 15 seconds. Not because of the ...
The Daily Galaxy on MSN

NASA confirms that Mars has air, but is it enough to keep a human alive even for a few seconds?

NASA confirms that Mars has air, but its composition and extremely low pressure raise a far more serious question: could a ...