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 ...

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 ...

This is the rocket that literally lights itself on fire before it heads to space. It’s the world’s largest rocket entirely fueled by liquid hydrogen, a propellant that is vexing to handle but ...

Delta IV Heavy rocket, retirement is on hold − for a little longer. When is United Launch Alliance's massive Delta IV Heavy rocket going to launch? The much-anticipated Delta IV Heavy rocket will ...

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 ...

Launch recap: Scroll down to review live coverage of the Tuesday, April 9, liftoff of the last Delta IV Heavy rocket from Cape Canaveral. It's launch day — and the end of an era for the mighty Delta ...

ULA's Delta IV Heavy rocket is set to launch one last mission to orbit, marking the end of an era that dates back to the early 1960s. Reading time 2 minutes The grand Delta finale is upon us, as ...

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 ...

ULA's Delta IV Heavy rocket—famous for setting itself ablaze at liftoff—performed its final flight on Tuesday at 12:53 p.m. ET. Reading time 2 minutes Update: April 9, 1:20 p.m. ET: The triple-core ...

The wait will continue to see the powerful Delta IV Heavy rocket blast off on its retirement flight. With minutes to go until the planned 2:45 p.m. target liftoff Thursday for the Delta IV Heavy and ...

Today’s #NROL82 mission is 386th flight of a Delta rocket since 1960 and the 94th to occur from Vandenberg Air Force Base. – Karen Graham One of the United Launch Alliance’s (ULA) last four mighty ...