Ammon News - Deadly space radiation and rapid outbreaks of disease are just a few of the official Nasa dangers that visitors to Mars will face.
The space agency holds a list of "five hazards of human spaceflight" that puts astronauts travelling to the space station, the Moon and even the red planet at risk.
Nasa is already working on returning humans to the surface of the Moon – and Mars is the obvious next stop.
But Nasa's Human Research Program has warned that these space-faring pioneers will face dangerous and potentially deadly threats.
Worse still, Nasa warns these dangers "can feed off one another and exacerbate effects on the human body".
"Recognizing these hazards allows NASA to seek ways that overcome the challenges of sending humans to the space station, the Moon, Mars, and beyond," Nasa said. The Sun