Addressing a controversy first raised around 1910, two physicists have performed experiments with the aid of an engineer that validate anew the special theory of relativity’s limitations on the speed ...

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

This video looks at the earliest experiments to measure the speed of light, explaining the methods, challenges, and ...

Light is faster than anything else in the known universe, though its speed can change depending on what it's passing through. When you purchase through links on our site, we may earn an affiliate ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

GENEVA (Reuters) - An international team of scientists said on Thursday they had recorded sub-atomic particles traveling faster than light -- a finding that could overturn one of Einstein's ...

In the realm of physics, the speed of light is considered one of the most fundamental constants in the universe, dictating the structure of time and space as we know it. But what if this cornerstone ...

There's nothing faster than the speed of light. So, what would happen if a human managed to move at this universal speed limit? When you purchase through links on our site, we may earn an affiliate ...

ROME (Reuters) - The Italian professor who led an experiment which initially appeared to challenge one of the fundaments of modern physics by showing particles moving faster than the speed of light, ...