Hubble constant

Space Our local universe’s expansion rate doesn’t add up, astronomers find

A new 1% measurement of the Hubble constant strengthens the case that the Universe may not fit the standard model.

Space Expanding catalog of black hole collisions is rewriting the history of the universe Joseph Shavit

Space Ancient Milky Way stars challenge the age of the universe and the Hubble tension Joseph Shavit

Space Scientists develop a new way to measure the expansion rate of the universe Joseph Shavit

Space What a rare lensed supernova could mean for measuring cosmic expansion Joseph Shavit