Now, ending an era in American spaceflight, the 16th and final Delta IV Heavy rocket is scheduled to lift off at 1:40 p.m.

CAPE CANAVERAL SPACE FORCE STATION, Fla. – United Launch Alliance (ULA) has set a new launch date for the final Delta IV Heavy rocket after a technical issue caused a scrub for the first attempt.

which is itself derived from the Delta Cryogenic Second Stage used on the Delta IV rocket line. These two firsts included a prolonged time from leaving the launch pad to the stage firing for the ...

United Launch Alliance (ULA) successfully launched a Delta IV rocket in the early hours of Friday morning, carrying out the AFSPC-6 mission for the US Air Force. The launch, which took place from ...

At 320 feet tall, Blue Origin's New Glenn rocket is massive, standing taller than the SpaceX Falcon Heavy and ULA Delta IV Heavy rockets. When Jeff Bezos' company Blue Origin launches its New ...

Delta IV Heavy rocket. One is capable of crusing down the highway with a gross combined weight rating (vehicle, passengers and trailer) of 25,400 pounds. The other is easily capable of lifting ...

With the launch Friday and another Falcon 9 flight Monday (this one with a booster on its 15th mission), SpaceX has launched ...

and was supposed to qualify the rocket to run national security missions like Falcon 9, and like Atlas V and Delta IV before it. But there was a problem. As I noted in October, the Federal ...

A graphic below compares New Glenn to the Saturn V and United Launch Alliance's powerful Delta IV Heavy rocket. If successful, Blue Origin's New Glenn rocket will be certified to carry Department ...

The 200-foot Vulcan Centaur rocket could do more than just launch satellites to orbit. As the rocket awaits certification to launch military payloads, United Launch Alliance (ULA) suggests that Vulcan ...