There is so much going on with internal combustion engines (ICEs) these days, it can give you a headache just reading about them. That's why we do the research for you and then cram it into bite-size ...

Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

NASCAR's closest-ever finish — Kyle Larson beat Chris Buescher by 0.001 seconds Sunday at Kansas — has brought scrutiny to how NASCAR determines the winner at the finish line. That is good. What's ...

Market insiders who quickly buy and sell mutual funds work the system, earn huge profits, and harm long-term investors. NPR's Chris Arnold reports on how market timing works.