The payload fairing containing the National Reconnaissance Office’s classified spy satellite is lifted atop ULA’s Delta 4-Heavy rocket before the NROL-91 mission. Credit: United Launch Alliance United ...

Liftoff of ULA’s Delta 4-Heavy rocket on the NROL-68 mission. Credit: Michael Cain / Spaceflight Now / Coldlife Photography The second-to-last flight of United Launch Alliance’s Delta rocket lifted ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An orange and white rocket stands on the launch pad under cloudy gray skies. Update for March 29: ULA announced that the company ...

United Launch Alliance’s final Delta IV Heavy lifted off from Cape Canaveral carrying the classified NRO-70 payload. Hydrogen ...

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 ...

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 ...

NROL-70 will launch from Space Launch Complex-37 (SLC-37) at Cape Canaveral Space Force Station, Florida. SLC-37 was built in 1962 as Complex 37 to support the Saturn 1 and Saturn 1B programs. Between ...

ROCKET IS SET TO LAUNCH ON THURSDAY. IT’S AN EXPLOSIVE LAUNCH SCENE FOR MORE THAN 20 YEARS ON THE CAPE. OUR SPACE COAST BUREAU CHIEF, SCOTT HEIDLER EXPLAINS WHY IT’S BEEN A CRITICAL ROCKET FOR ...

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 ...