SpaceThe sun will die in a blaze of swirling gas in 5 billion years We used to think our sun was too small to produce a planetary nebula when it dies, but new models show it will indeed go out in a massive cloud of bright, hot gas News
SpaceDwarf planet Ceres has a water cycle but it’s not like Earth’s Ceres, a distant dwarf planet, hosts sheets of ice just under its surface. In the summer, some of this ice may sublimate and coat shadowy crater walls in frost News