
This shiny silver "waterfall" is actually the five layers of the full-scale engineering model of NASA's James Webb Space Telescope…

The December 21, 1968 launch of Apollo 8 (AS-503) from Cape Kennedy, Fla. was the beginning of a mission designed…

NASA engineers buckled an aluminum-lithium cylinder similar in size to fuel tanks for the largest rockets ever built.

NASA engineers prepare a test article for a series of tests at NASA's Marshall Space Flight Center.

Dressed in a clean room suit, NASA photographer Desiree Stover shines a light on the Space Environment Simulator's Integration Frame…

December 17, 2013 marks the 110th anniversary of the world's first powered flight by the Wright Brothers in Kill Devil…

APOD Science APOD APOD: 2013 December 16 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

APOD Science APOD APOD: 2013 December 15… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD…

APOD Science APOD APOD: 2013 December 14 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

A North American P-51D Mustang (the P meaning pursuit), redesignated as an F-51 Mustang (with the F standing for fighter),…