Christopher Nolan’s sci-fi epic Interstellar is filled with excellent time travel mechanics, which unfortunately open the ...

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

Exploring the inconsistencies across decades in one of Star Trek's supposedly core principles: the Prime Directive.

In a potential step toward sending small spacecraft to the stars, researchers have developed an ultra-thin, ultra-reflective ...

In my experience, “Interstellar” is probably the film that’s most frequently called upon after asking others what their ...

Interstellar travel is not for humans as the timescale is well beyond a human lifespan, but celestial bodies, such as asteroids and comets, can travel from star system to star system. Humanity has ...

It promises high specific impulse and thrust, potentially enabling rapid interplanetary or interstellar travel—Zubrin’s design suggests speeds up to 7.6% of light speed with a high mass ratio. However ...