A bevy of balloons head skyward during a mass ascension at the 2008 Albuquerque Balloon Fiesta.
A sea of color brightens the evening sky as propane burners inflate hot-air balloons for the "Twilight Twinkle Glow" display…
A spectacular American bald eagle hot-air balloon drew attention from spectators at the 2008 Albuquerque Balloon Fiesta.
Darlene Mendoza of United Space Research Association's SOFIA Education and Public Outreach office at NASA's Ames Research Center demonstrates infrared…
The Soyuz TMA-16 launches from the Baikonur Cosmodrome in Kazakhstan on Wednesday, Sept. 30, 2009, carrying Expedition 21 Flight Engineer…
The Soyuz rocket is seen shortly after arrival to the launch pad on Monday, Sept. 28, 2009, at the Baikonur…
This NACA High-Speed Flight Station photograph shows a rear-view of the X-3 Stiletto research aircraft on the ramp at Edwards…
This NACA High-Speed Flight Station photograph shows an aft, look-down view of the X-3 Stiletto on the ramp at Edwards…
This is an artist's conception of the proposed NASA/Lockheed Martin Single-Stage-To-Orbit (SSTO) Reusable Launch Vehicle (RLV) docking with the International…
A group picture of Douglas airplanes, taken for a photographic promotion in 1954, at what is now known as the…