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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Are you ready? Not one, but two amazing events will happen within days of each other, and Florida's Space Coast will get some an ...

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 ...

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 ...