Our galaxy, the Milky Way, is of a respectable size. It got this big over its 13 billion years of life by also absorbing ...

Literary fantasy has thrived in the last 25 years, with books like A Dance with Dragons and Children of Blood and Bone ...

New cosmic ray theory: Researchers suggest ultraheavy atomic nuclei may explain the origins of the highest-energy cosmic rays ever detected. Why it matters: Ultraheavy nuclei could survive longer ...