The Hubble tension is one of the most hotly debated discrepancies in all of astronomy. It centers around a number called the Hubble constant, which is functionally the rate at which our universe is ...

Despite nearly a hundred years of astronomical measurements and calculations, scientists still can’t agree on the exact value of the Hubble constant. The true number could reveal missing pieces in our ...

Dark energy may not be Einstein's constant after all Dark energy ... revelation scientists announced at a meeting of the American Physical Society this week. "If true, it would be the first ...