Space is full of mysteries, and while we’ve come a long way in understanding the cosmos, there are still a number of ...

Four, six, and eight-cylinder engines dominate the industry and have done so for well over a century. The first five-cylinder engine came in 1974 with the Mercedes-Benz 3.0-liter diesel for its ...

Names like HEMI and Cummins elicit strong recognition, which is why it's odd that GM doesn't have a strong, recognizable ...

The Soviet Mil Mi6 was a behemoth of an aircraft. Here's why the massive helicopter had wings, and what other capabilities ...

The Italian Stipa-Caproni experimental aircraft featured a tube-shaped fuselage similar in design to modern turbofans.

If you have an older vehicle with an engine that has a flat tappet cam in it, you should be using a zinc additive. How old, you ask? Well, if you're rocking a V6 or V8 made before the mid-1980s ...