Astronomers have spotted a puzzling population of enormous galaxies in the far distance that will be crucial targets for upcoming telescopes.
Scientists have spotted one of the most distant (and therefore the youngest) example of merging galaxies yet observed, according to new results.
Perhaps the most recognisable constellation in the night sky is Orion the hunter. Look closely at the three bright orbs lined up below his belt – his sword. The middle one isn’t a star, but an entire nebula, and parts of it have been invisible to researchers until recently.