relativity

Trying to explain quantum “spooky action at a distance” using any kind of signal puts Einstein’s relativity against our concept of a smooth spacetime.

New research by Australian mathematicians has shown that Albert Einstein’s special theory of relativity can be extrapolated beyond the speed of light.

The laboratories that discovered neutrinos traveling faster than light now backtrack and state that they have found two possible glitches in their system that could account for this anomalous result.

Astronomers are using pulsars to test Einstein’s theory of relativity.