It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

On the night of Oct. 5 to 6, 1923, Edwin Hubble discovered a new star — and revealed the utter vastness of the universe. Hubble was looking at the cosmos with the 100-inch Hooker telescope at the ...

A Simon Fraser University cosmologist believes his team’s new research may bring them a step closer to cracking one of science’s biggest questions – the Hubble tension. The quest to determine how fast ...