SpaceCecilia Payne-Gaposchkin: The unsung discoverer of star chemistry Cecilia Payne-Gaposchkin, who discovered that hydrogen dominates our universe, finally gets the recognition she deserves in a rich biography, What Stars Are Made OfCulture
SpaceFirst private space rescue mission sees two satellites latch together A private satellite that is low on fuel could survive five more years because another satellite has come to its rescue – a technique that could be used by future service spacecraft News