Internet king turned rocketman? After making his fortune on the Web, Elon Musk entered the commercial space race. Will this businessman and his SpaceX company make space tourism affordable?
Blasting a spacecraft into space is one thing. Bringing it back in one piece is another. Spacecraft are likely to burn up into bits if they aren't specially insulated and designed for the ride. See more »
In the confined cabins of spacecraft, like the space shuttle or space stations, carbon dioxide, which is toxic, poses a problem for astronauts. Keep reading to see how that CO2 is eliminated. See more »