
NASA Dryden gift shop manager Jim Sokolik squirts a small sample of food consumed by astronauts and pilots of high-altitude…

Darth Vader and his storm troopers from Star Wars movie fame brought their grim visages by the NASA exhibit at…

As colorful hot-air balloons ascend behind them, NASA Dryden videographer Steve Parcel interviews NASA Dryden event coordinator Mary Ann Harness.

The nose of an inflatable half-scale model of a NASA F/A-18 in front of the NASA Aeronautics exhibit points skyward…

Hot air balloons lift off en masse under sullen skies at the Albuquerque International Balloon Fiesta in Albuquerque, N.M.

A mass ascent of hundreds of hot-air balloons fill the skies at the International Balloon Fiesta.

Amidst the brilliant brightness of colorful balloons, the dark visage of Darth Vader appears.

The nose of an inflatable half-scale model of a NASA F/A-18 in front of the NASA Aeronautics exhibit points skyward…

This is an image of the meteorite that NASA's Mars Exploration Rover Opportunity found and examined in September 2010. Opportunity's…

Scientists have yet to discover what caused the strange spiral structure. Nor do they know why it glows. The glow…