Dark matter is thought to make up most of the matter in the cosmos, yet … “Strange ripples in space may point to dark matter near merging black holes”

For nearly a century, modern cosmology has treated the Big Bang as the opening moment … “The Universe may have begun inside a black hole, not a Big Bang”

Spacetime is often described as the stage on which the universe unfolds, a four-dimensional blend … “Physicists rewrite Einstein’s equations to define spacetime evolution”