Topic: Bill Gerstenmaier

Scott Kelley: Longest space station sojourn will be test for Mars mission

NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko will spend an entire year aboard the International Space Station. The extended mission will help provide information about far-flung trips to asteroids and Mars.

US-Russian crew chosen for yearlong space voyage

Space station crew now at full strength

Boeing, SpaceX, Sierra Nevada Corporation to share $1.1 billion from NASA (+video)

NASA launches $1.1 billion deal with private spaceflight companies (+video)

With SpaceX launch, more than cargo is riding on space station mission (+video)

NASA moon waypoint could be first deep-space human outpost

First-ever private rocket launch to ISS postponed

Future NASA rocket unveiled, designed to reach moon and beyond

Final shuttle mission: Who'll supply the International Space Station now?

Space shuttle Endeavour on terra firma, ending 19 years as orbiter

Ode to Discovery: Space shuttle ends a successful mission, career

Crew on shuttle Discovery settles into routine, including inspection of tiles

Mysterious fuel-tank crack delays space shuttle launch until 2011

After space shuttle launch: three spacewalks, among other chores

Up and away for final Hubble mission

A space station that finally looks like a lapel pin!

Destiny, Columbus, Zvezda, and Colbert???

Shuttle Endeavour's next mission boasts most partners yet