SpaceDark energy could signal collapse of the universe The dark energy thought to be behind the accelerating expansion of space since the big bang might also trigger the universe's demise – in a big crunch News
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