A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.

In my January 23, 2026, “The Universe” column, I wrote about some of the biggest bangs the universe has to offer: exploding stars, hiccupping magnetars, stellar disruptions and colliding black holes.

Galaxy merger is a crucial process in galactic evolution that has happened since the first galaxies came into being. Now JWST ...

Using observations from the James Webb Space Telescope (JWST), the researchers identified an ongoing merger event of at least ...