JWST may have already broken the record for the earliest known galaxy in the universe.

Announced today, it's called GLASS-z13, and dates back just 300m years after the Big Bang.

Next up? Seeing the first galaxies to switch on.

Words by me @NewScientisthttps://t.co/bW12JsE4nH pic.twitter.com/Jc4wTSf8xC

— Jonathan O’Callaghan (@Astro_Jonny) July 20, 2022