It's the world's largest rocket entirely fueled by liquid hydrogen, a propellant that is vexing to handle but rewarding in its efficiency. The Delta IV Heavy was America's most powerful launch ...

The final flight of United Launch Alliance's Delta IV Heavy rocket took off Tuesday from Cape Canaveral, Florida, with a classified spy satellite for the National Reconnaissance Office.

Macross Delta is set to be previewed on Japanese television on New Year’s Eve, though there is no word on when the series will start after that. Follow me on Twitter and YouTube . I also manage ...

Update for March 29: ULA announced that the company will further delay the final mission of its Delta Heavy IV rocket as "more time is needed to instill confidence in the system" prior to launch.

Delta IV Heavy, we're ready for your fiery − and final − show. The last launch ever for United Launch Alliance's powerful rocket is one you won't want to miss. The Delta IV Heavy rocket will ...

United Launch Alliance teams have set a new target date for the final launch of their Delta IV heavy rocket after a previous attempt was scrubbed late in the countdown last week. The rocket launch ...

Boeing officials announced plans Monday to consolidate the majority of Delta rocket production into the company’s facilities in Pueblo, Colo., and Delta manufacturing moving from Huntington ...

Since the Thor-Delta rocket was introduced in 1960 at the dawn of the Space Age, the Delta brand has logged 389 launches, with payloads ranging from the world's first weather and GPS satellites to ...

The classified mission also marks the end of an era that began more than 60 years ago, with ULA bidding farewell to the Delta series. The triple core rocket is slated to launch at 1:40 p.m. ET on ...

OVERALL. WHILE A SWANSONG FOR A HEAVY LIFT ROCKET FROM THE CAPE TOMORROW, DELTA ROCKETS ARE A FAMILIAR SIGHT ON THE SPACE COAST, OF COURSE, WITH EARLY VERSIONS DATING BACK TO THE 1960S.

Delta IV Heavy rocket has 3 Delta IV core stages. Each rocket engine produces up to 702,000 pounds of thrust. The engines aren't small: Just one engine weighs about 14,876 pounds and is 17 feet in ...

The United Launch Alliance's (ULA's) Delta IV heavy-lift rocket launched the NROL-70 mission from Space Launch Complex-37 at Cape Canaveral Space Force Station in Florida. It was the final launch ...