A reappearing supernova offers a new measure of the universe's expansion

Is the expansion of the universe accelerating? : r/askscience

The Dark Side of the Universe Might Not Be All That Dark After All

New Study of Supernova Images Helps Scientists Measure Universe's Expansion Rate - SBU News

NASA SVS

Supernovae Archives - Page 7 of 12 - Universe Today

James Webb Space Telescope finally ready to do science, sees universe more clearly than hoped

Could there be a place somewhere in the universe where so much matter is concentrated, and continues accumulating to the point where it pulls everything else toward itself until eventually the entire

The Universe may be expanding much faster than we thought

Ejection nebula of supernova Cassiopeia A does not expand evenly

Galaxy Cluster Abell 370

Can Physicists Rewrite the Origin Story of the Universe?

What The Entire Universe Is Made Of, Thanks to Planck!

16 Captivating Facts About Supernova Explosion

If space is a vacuum how is the universe expanding? - Quora