NASA astronauts stepped into SpaceX Dragon capsule recently to get a feel for how the spacecraft might ride after long hours.

HOUSTON, Feb.

RESEARCH TRIANGLE PARK, N.C. and PASADENA, Calif., Dec.

As NASA looks to new, deep space destinations and an ambitious commercial transportation system to the International Space Station, the agency is recruiting the next generation of explorers to make these momentous journeys.

WASHINGTON, Sept. 23, 2011 /PRNewswire-USNewswire/ -- NASA invites its Twitter followers to a special Tweetup with Sandy Magnus and Chris Ferguson at 4 p.m. EDT on Thursday, Oct. 13.