Flow velocity in the fuel/oxidizer injectors and combustion chamber during combustion oscillations in a model of a rocket engine. (Courtesy: Hiroshi Gotoda) Researchers in Japan have identified a ...

I’ve grown up with rockets that burn chemical fuel, but NASA’s next big leap in propulsion could make those engines look as dated as steam trains. By turning to nuclear power in space, the agency is ...

I've been turning wrenches on my cars since 1987, when I was 23 years old. I'd have started a lot earlier, but my dad was a college physics professor with zero appreciation for cars. He wisely ...