Plasma jet engines promise a future of fuel-free, electrically driven flight, but the technology faces a stubborn obstacle ...

How engine design has evolved to boost fuel efficiency, and where it's going from here.

Engineers in the aeronautical industry are always cooking up fresh ideas for aircraft, especially when it comes to making jet ...

Jet engine technology is among some of the most advanced means of propulsion in the skies today. From commercial airlines to military fighter planes, these massive engines can be heard roaring ...

Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...

Aerial firefighting helicopters ingest significant volumes of airborne particles, and operators are advised to conduct periodic “compressor washes” to remove the contaminants from the compressor.