James Webb Telescope spots galaxies from the dawn of time that are so massive they ‘shouldn’t exist’
Scientists don't know exactly when the first clumps of stars began to merge into the beginnings of the galaxies we see today
Scientists spot the biggest known explosion in the universe
The explosion occurred in the Ophiuchus cluster
NASA digitally enhanced image shows two galaxies colliding (video-photo)
Incredible photo was captured by the Hubble telescope