GE and Lockheed ground tested a new air-breathing hypersonic jet engine capable of powering missiles to speeds well in excess ...

That's because a ramjet operates on a different principle from a conventional jet engine. The kind of engines that power an airliner uses a series of fans and turbine impellers to draw in air and ...

Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram matter in the air. Yet as manufacturers push these powerplants into more ...

In a boost for India, the Hyderabad-based laboratory of Defence Research and Development Organisation (DRDO), Defence ...