Although turbojet and turbofan jet engines are similar, the things that set them apart make them very different. Here's what ...

Modern fighter jets are extremely capable, except they run into some efficiency problems at extremely high speeds. China says it may have developed a solution.

The world’s heavy reliance on fossil fuels, especially for transportation, has left a deep mark on both the planet and public health. Burning these fuels releases a flood of greenhouse gases, which ...