Manned Mars mission plans include a radiation shield made of poop

Now that millionaire space tourist Dennis Tito has officially announced his intention to send a man and a woman on a round-trip journey to Mars in 2018, a few more details are trickling out about the Inspiration Mars project. One such detail is how the Inspiration Mars team plans to protect its astronauts from cosmic… » 3/02/13 2:00pm 3/02/13 2:00pm

Everything We Know About Dennis Tito's 2018 Human Mission to Mars

Dennis Tito wants to send humans to Mars. Earlier today, the millionaire space tourist announced more details on a mission that would see two astronauts set a course for the red planet in January 2018, perform a flyby (no orbital insertion or landing required) and head right back to Earth in the span of 501 days.… » 2/27/13 4:00pm 2/27/13 4:00pm

How Dennis Tito could send humans to Mars and back by 2020

Late last night, word began circulating that entrepreneur Dennis Tito — who, in 2001, became the world's first space tourist — intends to launch a privately backed mission to Mars in 2018. Details will be announced next week, but initial reports indicate that the expedition will be round-trip and last 501 days. » 2/21/13 11:37am 2/21/13 11:37am