Famed TV actress Nichelle Nichols, who portrayed Lt. Uhura on the original 1960s Star Trek television series, autographs a poster…
A NASA T-38 training jet is seen as it flies over Washington, DC, Thursday, April 5, 2012. NASA, in cooperation…
This graphic depicts how the automatic ground collision avoidance system (Auto-GCAS) software application, tied to a small autopilot, can command…
A laboratory representation of the Deep Space Atomic Clock, with a quarter alongside the unit for size comparison, and without…
APOD Science APOD APOD: 2012 April 9 – Blue… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…
APOD Science APOD APOD: 2012 April 8 – Io:… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…
APOD Science APOD APOD: 2012 April 7… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD…
In this photo taken from the International Space Station, the European Space Agency's Automated Transfer Vehicle-3 (ATV-3) is seen on…
APOD Science APOD APOD: 2012 April 6 – Venus… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…
A graphic history of 35 years of space shuttle ferry flights now adorns the upper forward fuselage of NASA Shuttle…
