Add Yahoo as a preferred source to see more of our stories on Google. SpaceX's new Starship Torch trades the real spacecraft's six methane-fueled rocket engines with a refillable butane lighter. As ...

You’re exploring for precious metals on the moon but your lander’s engine needs a replacement part and that’s making it a little hard to concentrate. So, you do what anyone would do in the ...

The Earth is much larger than most people realize. You need to use engines if you want to efficiently navigate large sections of the planet. Everything from cars to planes relies on engines, but they ...