The next launch attempt of a Delta IV Heavy rocket from Vandenberg Air Force Base remains up in the air pending results of additional testing, United Launch Alliance representatives said Saturday. On ...

With SpaceX champing at the bit to begin construction of a new Starship launch site at Cape Canaveral Space Force Station, demolition began Thursday to remove structures used by the previous tenant, ...

The U.S. Air Force could clear the Delta IV rocket for flight as soon as May as an investigation into a mishap with the Pratt & Whitney Rocketdyne RL10B-2 upper stage winds down. Next up for a Delta ...

The final United Launch Alliance (ULA) Delta IV Heavy rocket carrying the NROL-70 mission for the National Reconnaissance Office (NRO) lifts off from Space Launch Complex-37 on April 9 at 12:53 p.m.