BAY ST. LOUIS, Miss. (AP) -- Rolls-Royce North America has broken ground on $50 million second jet engine test stand at the John C. Stennis Space Center in Hancock County, Miss. The ceremony was ...

Public financing is being sought for developing a scaled version of the UltraFan geared turbofan propulsion system, under consideration to help Rolls-Royce return to the ...

Rolls-Royce and the U.S. Air Force validated the F130's ability to meet performance requirements for the B-52 missions, getting closer to flight testing. Engine maker Rolls-Royce announced on Feb. 24, ...

GE Aerospace and Kratos have concluded high-altitude testing of a small jet engine intended to power uncrewed fighter aircraft. The pair, which announced their intent to jointly develop the GEK800 ...