The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons rising and falling, a crankshaft spinning, a steam-age architecture ...

Wankel rotary engine powered thousands of aircraft. One of several problems: It spewed castor oil on its pilots.

In the early '90s, Mazda's rotary-powered RX-7 was the quintessential Japanese two-seat sports car. But then the Miata arrived and changed the game.

How weird and wonderful is the rotary engine, with its rebellious "why can't we do it like this" approach to automotive engineering? The rotary represents a compact, smooth, and quite mechanically ...

Mazda’s rotary engine is coming back in the spotlight, but this time it’s not just a nostalgic callback to the RX-7 glory days. Instead, it’s quietly shaping the brand’s electrified future. Rather ...

At Old Rhinebeck Airdrome in Red Hook, New York, sits one of the premier collections of vintage aircraft in the United States. Director of Maintenance Mark Mondello is one of the key people ...

While modern engines feature many tweaks and improvements on the original ideas, they usually aren't as interesting as the strange contraptions engineers experimented with in the early days. Take, for ...