Ask Ethan: Is the Universe's expansion accelerating or not?

Ask Ethan: Is The Universe Expanding Faster Than Expected?

Ask Ethan: How Many Galaxies Have Already Disappeared From Our Perspective?

New Calculation of Hubble's Constant and Age of Universe Using 50 Galaxies

The universe is expanding, but what exactly is it expanding into?

Probing the Enigmatic Dark Energy: Key Findings from Dark Energy Survey

Ask Ethan: Why will the Milky Way and Andromeda collide?

Accelerating expansion of the universe - Wikipedia

Ask Ethan: Is The Universe Expanding Faster Than Expected?

From Ethan Siegel: “How Much Of The Unobservable Universe Will We Someday Be Able To See?” – sciencesprings

Ask Ethan: Can The Universe Still End In A Big Crunch? (Synopsis)

Ask Ethan #52: How long has the Universe been accelerating?, by Ethan Siegel, Starts With A Bang!