SpaceBlack-hole eruption nearby is a warning for us all Cosmic threats, like the flare-up 2 million years ago of the Milky Way's black hole, are a reminder that humanity's survival is up to us Opinion
SpaceGalactic zoo took shape near the dawn of the universe Distinct globs and discs emerged a mere 2.5 billion years after the big bang, adding a new wrinkle to theories for how structure emerged across the cosmos 51¶¯Âþ