The idea of traveling faster than light has fascinated scientists and dreamers for generations. With stars and galaxies separated by unimaginable distances, humanity continues to explore how we might ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...