Stepping stones to NASA's human missions beyond

"That's one small step for (a) man; one giant leap for mankind." When Neil Armstrong took his first steps on the moon, many strides came before to achieve that moment in history. The same is true for a human mission to Mars. ...

What life is like aboard the SpaceX Dragon capsule

The first space tourism mission by Elon Musk's SpaceX blasted off from Florida on Wednesday and the four crew members—a billionaire and three other Americans—have already seen more than 25 sunsets and sunrises.

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