Add Yahoo as a preferred source to see more of our stories on Google. At 2:47 p.m. EDT Thursday, March 28, ULA called a scrub. At 2:45 p.m. EDT (previously 1:40 p.m. EDT and 2:03 p.m. EDT) the Delta ...

Delta IV Heavy rocket, retirement is on hold − for a little longer. When is United Launch Alliance's massive Delta IV Heavy rocket going to launch? The much-anticipated Delta IV Heavy rocket will ...

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. OUR SPACE ...

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. The Delta IV ...

A ULA Delta 4 Heavy rocket launched an NRO satellite on June 22, 2023, at 5:18 a.m. Eastern from Space Launch Complex-37 (SLC-37) at Cape Canaveral Space Force Station, Florida. Credit: ULA livestream ...

Editor's note: FLORIDA TODAY's Space Team was at Cape Canaveral covering the final launch for ULA's Delta IV Heavy rocket when ULA called a scrub at 2:47 p.m. EDT Thursday, March 28. Next attempt is ...

Ending an era in U.S. rocketry, United Launch Alliance fired off its 16th and final triple-core Delta 4 Heavy Tuesday, launching a classified spy satellite in the last hurrah of a storied family of ...

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 ...

Delta IV Heavy made its debut in 2004. At that time, it was the most powerful rocket launched from Cape Canaveral save the Saturn V & space shuttles. The massive Delta IV Heavy has 3 Delta IV core ...

Delta IV Heavy made its debut during a December 2004 demonstration flight from Florida's Launch Complex 37. United Launch Alliance's last Delta IV Heavy triple-core rocket will launch on the NROL-70 ...

Delta IV Heavy made its debut during a December 2004 demonstration flight from Florida's Launch Complex 37. United Launch Alliance's last Delta IV Heavy triple-core rocket will launch on the NROL-70 ...