What Really Happened At the Beginning of Our Universe? And Why Is It Expanding Faster Than Expected?

“A growing mystery about the universe, known as the 'Hubble Tension,' is that it appears to be expanding much faster now than predicted even with our latest understanding of its initial conditions and contents.”

— Adam Riess, Ph.D.,  Nobel laureate astrophysicist and expert in the Hubble constant, Johns Hopkins University and Space Telescope Science Institute

“Under the influence of dark energy, the cosmos is now doubling in size every 10 billion years. ... Is the fate of our universe at stake?”

— Dennis Overbye, Science Reporter, The New York Times