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 — ...

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 ...

For the first time, scientists have measured the instantaneous mind-blowing power of jets blasting from a black hole. The jet ...

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 ...

A research group from the Technion-Israel Institute of Technology reports in Nature an unprecedented achievement in electron microscopy: the direct measurement of “dark points” within light waves. By ...

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 ...

A black hole roughly 7,000 light-years from Earth is firing a jet of superheated plasma at close to half the speed of light, ...