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

NASA followed last week's low-key engine test with the test-firing of a solid-fueled booster at Northrop Grumman's rocket ...

The new booster is is scheduled to launch on the ninth Artemis lunar mission in the 2030s — but there's a chance that it will ...

While the fate of NASA’s Space Launch System (SLS) rocket hangs in the balance, the agency is pushing ahead with tests of new ...

Mark Pond, a Utah native and the senior director of NASA Programs at Northrop Grumman, said the Promontory Rocket Complex has ...

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

An upgraded version of one of the solid rocket boosters being used for NASA's Space Launch System (SLS) experienced an ...

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

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

While NASA’s Artemis program may ultimately abandon the Space Launch System rocket, for now, Melbourne-based L3Harris is pushing forward with the manufacture of the powerful rocket’s ...

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

President Donald Trump wants to phase out NASA's Space Launch System — but the agency seems to have other plans. As Ars ...