LifeA radical new theory rewrites the story of how life on Earth began It has long been thought that the ingredients for life came together slowly, bit by bit. Now there is evidence it all happened at once in a chemical big bang Features
SpaceThe moon may have stopped the early Earth from being a frozen snowball Astronomers have long been puzzled by the faint young sun paradox, which says the sun would not have been bright enough in the past to keep Earth warm. Now it seems the moon may have helped ¿ìè¶ÌÊÓÆµ