NASA's space shuttles are retiring this year, but America has no spaceship to replace them, leaving many to wonder: Why not? After the wheels of the space shuttle roll to a stop for the final time ...

The Ares is supposed to replace the 30-year-old space shuttle, which is scheduled to ... much and take too long to really be a practical replacement. The plan was to have it ready to fly by ...

the attempts could help lead the industry and the U.S. space program to newer technologies for reaching the stars. One example of the more recently attempted shuttle replacement efforts was the so ...

Administrator MichaelGriffin told a Senate subcommittee in Washingtonthat to cover the cost of the shuttle replacement's accelerated debut, he may be forced to delay some space station ...

The space shuttle’s replacements are on deck. NASA announced the next space vehicles to transport astronauts to the International Space Station. The spacecraft will be designed and built by ...

Re “Nominee Seeks Shuttle Replacement,” April 13: As a lifelong space enthusiast, I have been a strong advocate for the country’s manned space program and the reinstatement of the Teacher in ...

Once the US space shuttle program closes, it will be about a decade before America can make a new vehicle for sending astronauts to space, NASA's chief technologist predicts. When the longtime ...

To stop relying on the Russians, NASA is working with Boeing and SpaceX to develop a space shuttle replacement that would let us launch astronauts from U.S. soil again. But NASA complains that ...

That's what doomed the Columbia space shuttle. Griffin said the first trip to the moon could happen in 2018, and he said the total cost between now and then would be about $104 billion.

NASA's space shuttles are retiring this year, but America has no spaceship to replace them, leaving many to wonder: Why not? After the wheels of the space shuttle roll to a stop for the final time ...