From aps.org (American Physical Society)
This has a great overview of major General Relativity validations etc.
November 2015 marks the centennial of Einstein’s theory of general relativity. Here is a collection of Physics articles about APS papers that grew out of Einstein’s ideas.
In 1935, Einstein and Nathan Rosen, both at the Institute for Advanced Study at Princeton University, introduced what science fiction readers would recognize as a wormhole—a tunnel-like short-cut between two regions of spacetime ...