The penultimate Delta IV Heavy rocket from ULA prepares to launch a mission for the National Reconnaissance Office on July 21. (Spectrum News/Will Robinson-Smith) ...

The Delta IV Heavy rocket was easily recognized in the Space Coast’s skies for its white-and-orange color scheme and its three first-stage rocket boosters, also called common booster core tanks.

ULA used Space Launch Complex 37 for its Delta IV class of rockets, but the last Delta IV Heavy mission flew in April 2024 and ULA gave up its lease on the site.

A 12-year-old girl in Michigan won a statewide contest to redesign the traditional "I voted" logo. It will feature on one of nine stickers that Michigan voters receive after casting their ballots ...

The Delta IV Heavy, weighing 1.6 million pounds when fully fueled, consists of a triple-booster lower stage and a single-engine upper stage.

The Delta IV Heavy, which had flown 15 times before this launch since its debut in 2004, was the lone remaining rocket of the Delta family.

After a scrubbed launch last month, United Launch Alliance is expected to send its Delta IV Heavy rocket on its final flight on Tuesday.

ULA’s Delta IV Heavy rocket is about to take its final flight United Launch Alliance will send its Delta IV Heavy rocket on its final flight on Tuesday, April 9.

Prolific Delta IV Heavy Launcher Makes Final Flight Delta IV Heavy played a key role in U.S. space initiatives, launching Martian rovers, ‘sun-touching’ probes, and a bevy of other cargo into ...

After a mechanical issue delayed the Delta IV Heavy launch last month, the rocket is set to take off for the final time from Cape Canaveral on Tuesday.