A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.

The Atlas family of rockets have been a mainstay of America’s space program since the dawn of the Space Age, when unused SM-65 Atlas intercontinental ballistic missiles (ICBMs) were refurbished ...

Four states contribute engineering, design, testing and parts for the ... ULA is replacing its workhorse rocket, the Atlas V, and the Delta Heavy with the new Vulcan rocket. The Atlas series ...