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.

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.

Elon Musk's roadster is ready to head in the direction of Mars Elon Musk is attempting to fly the world's most powerful rocket with ... powerful rocket, the Delta IV Heavy, which is operated ...

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 ...

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 ...

SpaceX Falcon Heavy rocket launches mysterious X-37B space plane for US Space Force after delays As part of this increased launch activity, Space Launch Delta 45 and SpaceX implemented new ...

A SpaceX Falcon Heavy rocket ready for liftoff. Paul Hennessy/NurPhoto via Getty Images SpaceX is scheduled to launch a Falcon Heavy, the world’s most powerful reusable rocket, on Jan. 14 from ...