The company's novel rocket engine could be a game changer for the U.S. military.

The refinement of the fighter jet seems to have happened at a blistering pace. The world's first operative fighter jet was Germany's Messerschmitt Me 262, which took to the skies during the latter ...

Add Yahoo as a preferred source to see more of our stories on Google. Ukraine said Russia just used a new type of attack drone that it's calling the Geran-5. It uses a more powerful turbojet engine ...