Astronomers observe largest ever sample of galaxies up to more than 12 billion light years away / Galaxies die earlier than expected: Webb sees signs of halted star formation 700 million years after Big Bang / New cosmic 'baby pictures' reveal our universe taking its 1st steps towards stars and galaxies / Science breakthrough as extremely rare picture of 'cosmic web' linking galaxies emerges / Scientist image 3-million-light-year-long 'cosmic web' ensnaring 2 galaxies for 1st time / One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate' / Ancient cosmic collisions may have birthed the universe's most monstrous galaxies / The biggest galaxies live in our universe's supercluster 'cities' / Galaxies are much bigger than we thought, study reveals