Listening' to black holes form with gravity waves Gravity waves are ripples in space generated by extreme cosmic events such as colliding stars, black holes, and supernova explosions, which carry vast amounts of energy at the speed of light.
Will a black hole swallow our galaxy earlier than first thought?
Our universe may be part of a larger multiverse. "Many of us suspect that all of this — all the worlds, stars, galaxies clusters in our observable universe — is but one tiny bubble in an infinite ocean of other universes.
Parallel universes DO exist - and they interact, theory suggests
"Spacetime is an Emerging Phenomenon" --Does It Violate Einstein's Special Relativity? April 23, 2014 What if spacetime were a kind of fluid? This is the question tackled by theoretical physicists working on quantum gravity by creating models attempting to reconcile gravity and quantum mechanics.
String Theory: The Mathematics of Moving Beyond Current Physics