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VideoVideo: Liftoff of Atlas 5 with X-37B on program’s fourth flight
A replay of the United Launch Alliance Atlas 5 rocket launching the Air Force's X-37B reusable spaceplane from Cape Canaveral, Florida.

Live coverage: Atlas 5 rocket lifts off with X-37B spaceplane
A United Launch Alliance Atlas 5 rocket topped by the Air Force's X-37B miniature space shuttle blasted off from Cape Canaveral’s Complex 41 today to deliver the spaceplane into orbit.

Citizen-funded CubeSat ready to go solar sailing
A shoebox-sized satellite conceived and funded by members of the Planetary Society, an advocacy organization co-founded by Carl Sagan, is fastened to an Atlas 5 rocket for launch Wednesday to test one of the late celebrity-astronomer's futuristic concepts for exploring the cosmos.

Photos: Atlas 5 on the pad for X-37B launch
The United Launch Alliance Atlas 5 rocket stands poised for flight with the Air Force's X-37B spaceplane and a batch of CubeSats including the LightSail. The rocket was rolled to Complex 41 on Tuesday in preparation for launch on Wednesday.

Preview: X-37B spaceplane to journey back into space Wednesday
An experiment-carrying, reusable mini space shuttle operated by the U.S. Air Force will be boosted into Earth orbit Wednesday atop a United Launch Alliance Atlas 5 rocket.

SpaceX has ‘aggressive’ schedule leading up to crew flights
Staying true to a corporate philosophy that favors high-visibility flight tests, SpaceX plans to continue wringing out major parts of the company's human-rated Dragon spaceship in a sequence of dramatic flights leading up to the capsule's first crewed mission scheduled for 2017.

Photos: X-37B gallery archive
This is a collection of images taken during the three previous flights of the U.S. Air Force's X-37B Orbital Test Vehicle mini space shuttle.
VideoVideos: Launch and landing archive of X-37B mini space shuttle
Relive the launches and landings of the Air Force's X-37B miniature space shuttle on Orbital Test Vehicle missions No.1, No. 2 and No. 3.

ULA, SpaceX face off in landmark Air Force launch competition
The U.S. Air Force has identified the launch of a next-generation GPS navigation satellite for the first in a series of competitive rocket procurements between United Launch Alliance and SpaceX, service officials announced Wednesday.

Brightman steps down from station flight
Soprano and would-be space tourist Sarah Brightman, who was in training for a flight to the International Space Station this fall aboard a Russian Soyuz ferry craft, will not be chasing her dream aloft after all.