SpaceFast star first fled from a supernova, now the galaxy The fastest star in the Milky Way is high-tailing it out of here at 1200 kilometres a second after surviving its sibling star's death as a massive supernova News
Ancient planets are almost as old as the universe The oldest rocky planets yet are 11.2 billion years old, just a little younger than the universe – meaning the galaxy made an early start on planet building News