The Hubble constant is the rate of expansion of the universe. It helps cosmologists predict what the cosmos will look like in the future. The constant should be the same no matter what measurement is ...

For centuries, humanity has sought truth as if it were a fixed point, a universal coordinate we could all see the same way. However, in practice, truth often has as many versions as there are people ...

Something’s strange in our cosmic neighborhood. Astrophysicists have been struggling to figure out why a fundamental figure that has helped explain the expansion of our universe since its inception ...