When oil starts to leak, engine damage quickly follows and the motor won’t survive for very long. But what’s different today ...

On paper, Nissan's variable-compression turbocharged engine should have been pretty awesome. Since it could change its compression ratio on the fly, it promised the power of a bigger engine when you ...

The H3 rocket launched on Sunday at 8:51 p.m. ET from the Tanegashima Space Center, located on a southwestern Japanese island. The rocket’s second-stage engine burn failed to ignite on time, resulting ...

At first glance, a twin-engine aircraft looks a whole lot safer than a single-engine one. After all, if you lose an engine, you still have another to keep you flying in the air, right? This isn't ...

Many years ago, my dad bought a used car and, within a short time, discovered there was a major problem with the engine because the prior owner hadn't changed the oil. The severe engine damage meant ...