COLUMBIA, Mo. – Scientists have attempted to disprove Albert Einstein’s theory of general relativity for the better part of a century. After testing and confirming Einstein’s prediction in 2002 that ...

The speed of light has been one of science's most trusted markers of stability. For more than a century, the idea that light moves through space at a constant speed has supported some of physics' most ...

The constancy of the speed of light is a pillar of modern physics, but questions persist about its absolute universality. Advanced theories, seeking to unify general relativity and quantum mechanics, ...

The theory of special relativity is rife with counterintuitive and surprising effects, the most famous of which are length contraction and time dilation. If an object travels at a relative speed, ...

A dark point inside a beam of light should not be much of a traveler. Yet in a new experiment, some of those points appeared to move faster than light itself, darting through a wave field before ...

GENEVA - A pillar of physics - that nothing can go faster than the speed of light - appears to be smashed by an oddball subatomic particle that has apparently made a giant end run around Albert ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists combine sky wide gamma ray data to refine tests of Einstein’s constant light speed. (CREDIT: Shutterstock) The speed of ...

Add Yahoo as a preferred source to see more of our stories on Google. Physicists tracked dark points inside light in real time and found many appeared to move faster than light without breaking ...