Since the Mars Science Laboratory (Curiosity) landed on Mars there has been increasing interest whether humans can travel to our neighbouring planet. This presentation will outline the known hazards in outer space missions and draw attention to the issues of incessant radiation, microgravity effects, shielding inadequacy, and the psychological effects on a long lonely journey. The presentation will also outline the concepts of getting to Mars and the possible countermeasures against the hazards, the latest research that is currently being done.