Boeing began working with NASA to test using chevrons, or scalloped edges, on turbofan engines, mainly for noise reduction.

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

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

Despite President Trump's plans to cancel the expensive Space Launch System (SLS), NASA continues testing for its anticipated Artemis mission.

A test of a new rocket motor for NASA’s future moon missions went awry this week, with the full-size booster hurling a ...

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

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

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

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

Still, Isar became the first in a new crop of European launch startups to launch a rocket theoretically capable of reaching orbit. Flush with cash ... Isar is leading in another metric, too. The ...

The BOLE boosters—destined for Artemis IX in the 2030s—depend on congressional budget negotiations reversing administration cuts to maintain viability beyond Artemis V missions.