The final launch for United Launch Alliance's powerful rocket − Delta IV Heavy − is one you won't want to miss. When it launches. At 2:47 p.m. EDT Thursday, March 28, ULA called a scrub. Previously, ...

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 ...

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 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 ...

After six decades of launches, the liftoff of the last-ever Delta rocket on Tuesday (April 9) brought with it a change in the way the U.S. sends satellites, interplanetary probes and spacecraft into ...

CAPE CANAVERAL SPACE FORCE STATION — Space lovers far and wide got to see United Launch Alliance’s Delta IV Heavy rocket take off for the last time on Tuesday afternoon. The 235-foot rocket took off ...

United Launch Alliance’s Delta IV Heavy rocket launched for the final time on Tuesday, bringing an end to six decades of service by the Delta family of rockets. The Delta IV Heavy, which first flew in ...

A United Launch Alliance Delta 4 Heavy launched NROL-70 at 12:53 p.m. Eastern from Space Launch Complex-37 at Cape Canaveral Space Force Station. Credit: ULA webcast COLORADO SPRINGS — In a historic ...

The storied career of the Delta family of rockets had to wait a little longer than planned to turn the page on its final chapter, but the last of its kind lifted off on the Space Coast on Tuesday. A ...

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 ...