Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

Engineers didn't immediately acknowledge the issue during that broadcast, apart from one controller uttering "Whoa," followed ...

PROMONTORY, Utah — NASA will conduct the first full-scale test of its most powerful solid rocket booster motor Thursday, ...

More than $10 billion in funds are included in Trump’s tax and spending bill for NASA programs previously targeted by the ...

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

Despite the White House's desire to cancel the Space Launch System, the Artemis program's primary launch vehicle, NASA ...

In a review of 38 current NASA projects that cost $250 million or more, the Government Accountability Office found ...

NASA recently tested the largest rocket motor ever built in Box Elder County last week. But during the harsh, two-minute-long ...

Utah has a significant role, being the "factory" for the propulsion systems used by the SLS rocket. The new booster rocket ...

Officials are investigating an unexpected explosion that occurred during a solid rocket booster test in Utah last week, ...

NASA and Northrop Grumman successfully tested the most powerful segmented solid rocket motor ever created at Promontory Point ...

The $10 billion addition to the Artemis architecture, which includes funding for additional Space Launch System rockets and ...