
Construction on the first space-bound Orion Multi-Purpose Crew Module began with the first weld at the Michoud Assembly Facility on…

The countdown to launch of the United Launch Alliance Delta II Heavy rocket for NASA's Gravity Recovery and Interior Laboratory…

NASA Administrator Charles Bolden, right, NASA Deputy Director of Planetary Division Jim Adams, center, and United Launch Alliance Vice President…

NASA's Viking Project found a place in history when it became the first U.S. mission to land a spacecraft successfully…

The piece of metal with the American flag on it in this image of a NASA rover on Mars is…

NASA's GRAIL twin spacecraft await launch atop a United Launch Alliance Delta II rocket at Cape Canaveral Air Force Station,…

A third solar flare and coronal mass ejection has erupted from sunspot 1283. The third came on September 7 at…

At Space Launch Complex 17B on Cape Canaveral Air Force Station, the United Launch Alliance Delta II rocket that will…

During mobile service tower rollback activities, spotlights at Space Launch Complex 17B create a mesh of shadows across the Delta…

Astronauts Mark E. Kelly (left), STS-108 pilot, and Daniel M. Tani, mission specialist, hold a bag of several American flags…