Ranking the "Star Wars" ships is a fun thought exercise, but we need to put some restrictions into place. First, we're talking ships, not bases, so the Death Star is going to have to sit this one out.

For decades, fans of Star Wars have dreamed of traveling to the galaxy far, far away. For many, the dream may be to become a ...

A spacecraft traveling at one-tenth of the speed of light could shave the trip down to a quick 40 years. Future engineers could use nuclear power to achieve that, says Scott Bailey, an engineer at ...