In the minds of the majority of individuals when aircraft engines are considered, an image of either revolving propellers or obnoxious jet engines comes to mind. The systems have characterized decades ...

Aviation is inseparably linked to the chase of speed. Since the first days of the powered flight, engineers and pilots have strived to create machines that will be capable of moving through the sky ...

Jeff Thornburg helped turn a government research project into SpaceX’s most powerful rocket engine. Now, he’s trying to do the same thing at his startup Portal Space Systems, which is taking an idea ...