The engine was developed from 1945 and, with minor modifications, was used on a variety of rocket research aircraft besides the X-1. Two of the 4-barrel motors, or engine, served as the "Interim ...

McHenry said that it remains the case that NTR are more efficient than chemical propulsion systems that power today’s rocket engines — but maybe not by enough to outweigh the costs in future.

Explore the breakthrough of Kelvin Mk.1, Northern Ireland's first student-designed liquid rocket engine from Queen's University Belfast.

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center In landmark decision, judge rules California FAIR Plan's smoke-damage ...

NASA tested a Space Launch System rocket RS-25 engine at the Stennis Space Center. Credit: NASA Stennis Space Center Maddow Blog | White House slams intel that suggests Trump-backed strikes didn't ...

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 co… ...