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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The universe has a speed limit, and it's the speed of light. Nothing can travel faster than light — not even our best spacecraft — ...

The speed of light is one of the most famous constants in physics, yet it has never been directly measured in the way most people assume. All experiments rely on round-trip measurements and built-in ...

In 1887, one of the most important experiments in the history of physics took place. American scientists Michelson and Morley failed to measure the speed of Earth by comparing the speed of light in ...

Researchers at Technion, Israel Institute of Technology, have directly tracked “dark points” in light waves, spots where the field amplitude drops to zero, and found that these features exhibit ...

Every high school physics student knows c, or the speed of light, it’s 3 x 10^8 metres per second. More advanced or more curious students will know that this is an approximation, and the figure of 299 ...

The principle of relativity, as initially described by Galileo, posits that the laws of physics remain consistent regardless of an observer's relative motion. Einstein's special relativity ...