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 ...

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

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 ...

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.

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

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

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 ...

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 ...

Nozzle Cooling: Test a small water-cooling system for the rocket nozzle using high-temperature heat sources (like plasmas) to mimic the heat of a nuclear reaction. Check if it can handle the heat ...