Recently, the James Webb Space Telescope observed signals that moved faster than the speed of light. Does this mean that faster-than-light travel is real? If not, what explai ...

This Star Trek concept ignited a dream that humans could one day travel faster than the speed of light. Now physicists are ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. Space is big, and ...

The light echo around the star V838 Monocerotis as seen by the Hubble Space Telescope in November 2005. When I was a teenager, I was—shockingly, I know—deeply nerdy. At a science-fiction convention, I ...

In 1964, physicist John Bell formulated what became known as Bell's Theorem, showing that if quantum mechanics is correct, ...

You know that scene in the film Contact where the “Machine” is spooling up, its three spinning rings kicking out crazy light and an electromagnetic field powerful enough to pitch nearby Navy ...

The Universe is immense. Our most powerful telescopes observe galaxies whose light has taken more than 10 billion years to ...

Exploring faster-than-light travel, Einstein’s special and general relativity, and the concept of stretching space-time for ...

Warp drive concepts suggest a ship could ride a bubble of space-time faster than light without breaking relativity.