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Boeing Delta IV Heavy (click to view full) The EELV program was designed to reduce the cost of government space launches through greater contractor competition, and modifiable rocket families whose system requirements emphasized simplicity, commonality...

SpaceX rolled a fully-assembled Falcon 9 booster out of its hangar and lifted it on top of a launch pad Friday for the first time since an explosion grounded the commercial rocket last year, setting the stage for a one-second launch window Saturday to...

CAPE CANAVERAL, Fla. » SpaceX chief executive Elon Musk is calling last week’s launch pad accident the “most difficult and complex failure” in the company’s 14-year history. After a week of public silence, Musk said via Twitter that the company is still...

Archive photo of a Delta IV Medium+ launching the AFSPC-4 mission. Photo Credit: Mike Howard / SpaceFlight Insider United Launch Alliance (ULA) is expecting an 80 percent chance of favorable weather conditions when it attempts to launch two Orbital...

A little more than a week after SpaceX's launchpad rocket explosion, tech entrepreneur Elon Musk — the aerospace company's founder, CEO, and CTO — has hinted at how trying its investigation has become. "Still working on the Falcon fireball investigation...