... For the first time, dark galaxies тАФ an early phase of galaxy formation, predicted by theory but unobserved until now тАФ may have been spotted. ... Because they are essentially devoid of stars, these dark galaxies donтАЩt emit much light, making them very hard to detect. €аFor years astronomers have been trying to develop new techniques that could confirm the existence of these galaxies. ... Dark galaxies spotted for the first time . ... Dark galaxies spotted for the first time (annotated) . ...