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

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

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

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 ...

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

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

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

Whether the German V-2 rocket, NASA’s legendary Saturn V, or SpaceX’s Falcon Heavy, all rocket engines share a common attribute: their exhaust nozzles are shaped like bells.

When the exhaust nozzle on one of the Vulcan rocket's strap-on boosters failed shortly after liftoff earlier this month, it scattered debris across the beachfront landscape just east of the launch ...

An aerospace firm is working to turn rocket nozzle technology into a novel method for cleaning up the carbon-laced air emitted by coal-burning power plants. IE 11 is not supported.

What makes an aerospike rocket unique is essentially inverting a traditional bell-shaped rocket nozzle. Instead of enclosing the exhaust, it forms an inward-facing curve, with the exterior side ...