Building a jet engine yourself likely wouldn't be very easy, but the basic principle of how a jet engine works is fairly simple. Your average jet engine uses a series of fans to inhale air.

Jet engines operate by setting fire to fuel. So when it's rainy out, how is it that jets can still fly? Why doesn't the rain put out the fire?

Jet engines can't just start with the push of a button. We explain what jets need to get them going, and why there needs to ...

Problem: how to make a jet engine work under water. Solution: make it use a fuel that burns in water instead of in air. Dr. Fritz Zwicky, astronomer, physicist and rocket expert of Caltech, has ...