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 ...

Thursday’s launch has been scrubbed. Officials said they will make another attempt to launch the rocket at 1:37 p.m. Friday. The rocket will carry the NROL-70 mission for the National Reconnaissance ...

The Delta program, spanning 60 years, came to a close with the launch of the final Delta IV Heavy rocket by United Launch Alliance (ULA) on April 9 at 12:53 p.m. EDT from Space Launch Complex-37 at ...

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 ...