When Artemis II blasts off for its lunar flyby, its powerful SLS rocket will include some "heritage hardware." The core engines are mostly recycled space shuttle engines, along with some reused ...

Lower-energy missions — such as launching batches of satellites for the Space Development Agency into low Earth orbit — could ...

Add Yahoo as a preferred source to see more of our stories on Google. United Launch Alliance suffered yet another fiery burn-through on one of its solid rocket boosters during a national security ...

Add Yahoo as a preferred source to see more of our stories on Google. United Launch Alliance was hoping to ramp up its new Vulcan rocket launches this year, but won’t be launching any national ...

The solid rocket boosters successfully fall away from the SLS rocket during the launch of NASA's historic Artemis II mission. Watch of third launch of Blue Origin's New Glenn rocket Blue Origin's New ...

The Vulcan rocket leapt off its pad at 4:22 a.m. EST, lighting up the Florida coast before a problem inside one of its strap-on boosters turned a routine climb to orbit into a high-stakes anomaly.

United Launch Alliance was hoping to ramp up its new Vulcan rocket launches this year, but won’t be launching any national security missions until it solves a recurring issue of booster nozzles ...