
The two main parts of the ChemCam laser instrument for NASA’s Mars Science Laboratory mission are shown in this combined…

In the cold vacuum of space, radiation from massive stars carves away at cold molecular clouds, creating bizarre, fantasy-like structures.…

A last quarter crescent moon above Earth’s horizon is featured in this image photographed by the Expedition 24 crew on…

A technician examines the instrument mounting structure and bulkhead of the German-built infrared telescope installed in NASA’s SOFIA airborne observatory.